Home / 25,613,971.20-38,426,688-13,489,142.40

Finding the Fourth Proportional to 25,613,971.20, 38,426,688 and 13,489,142.40

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Solution

The fourth proportional to 25,613,971.20, 38,426,688 and 13,489,142.40 is: 20,236,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613,971.20 : 38,426,688 = 13,489,142.40 : x
  2. Step 2: Convert to fraction form
    25,613,971.20/38,426,688 = 13,489,142.40/x
  3. Step 3: Cross multiply
    25,613,971.20x = 38,426,688 × 13,489,142.40
  4. Step 4: Simplify right side
    25,613,971.20x = 518,343,066,392,371.19
  5. Step 5: Solve for x
    x = 518,343,066,392,371.19/25,613,971.20
  6. Step 6: Final answer
    x = 20,236,731.83

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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.