Home / 7,190,654.15-10,785,981.23-5,182,988.15

Finding the Fourth Proportional to 7,190,654.15, 10,785,981.23 and 5,182,988.15

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Solution

The fourth proportional to 7,190,654.15, 10,785,981.23 and 5,182,988.15 is: 7,774,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,654.15 : 10,785,981.23 = 5,182,988.15 : x
  2. Step 2: Convert to fraction form
    7,190,654.15/10,785,981.23 = 5,182,988.15/x
  3. Step 3: Cross multiply
    7,190,654.15x = 10,785,981.23 × 5,182,988.15
  4. Step 4: Simplify right side
    7,190,654.15x = 55,903,612,875,297.48
  5. Step 5: Solve for x
    x = 55,903,612,875,297.48/7,190,654.15
  6. Step 6: Final answer
    x = 7,774,482.23

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.