Home / 15,190,421.40-22,785,632.10-9,218,453.40

Finding the Fourth Proportional to 15,190,421.40, 22,785,632.10 and 9,218,453.40

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Solution

The fourth proportional to 15,190,421.40, 22,785,632.10 and 9,218,453.40 is: 13,827,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190,421.40 : 22,785,632.10 = 9,218,453.40 : x
  2. Step 2: Convert to fraction form
    15,190,421.40/22,785,632.10 = 9,218,453.40/x
  3. Step 3: Cross multiply
    15,190,421.40x = 22,785,632.10 × 9,218,453.40
  4. Step 4: Simplify right side
    15,190,421.40x = 210,048,287,703,394.16
  5. Step 5: Solve for x
    x = 210,048,287,703,394.16/15,190,421.40
  6. Step 6: Final answer
    x = 13,827,680.10

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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.