Home / 6,912,000.90-10,368,001.35-5,817,140.10

Finding the Fourth Proportional to 6,912,000.90, 10,368,001.35 and 5,817,140.10

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Solution

The fourth proportional to 6,912,000.90, 10,368,001.35 and 5,817,140.10 is: 8,725,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,000.90 : 10,368,001.35 = 5,817,140.10 : x
  2. Step 2: Convert to fraction form
    6,912,000.90/10,368,001.35 = 5,817,140.10/x
  3. Step 3: Cross multiply
    6,912,000.90x = 10,368,001.35 × 5,817,140.10
  4. Step 4: Simplify right side
    6,912,000.90x = 60,312,116,409,939.13
  5. Step 5: Solve for x
    x = 60,312,116,409,939.13/6,912,000.90
  6. Step 6: Final answer
    x = 8,725,710.15

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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.