Home / 25,509,615.40-38,264,423.10-12,755,031.40

Finding the Fourth Proportional to 25,509,615.40, 38,264,423.10 and 12,755,031.40

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Solution

The fourth proportional to 25,509,615.40, 38,264,423.10 and 12,755,031.40 is: 19,132,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509,615.40 : 38,264,423.10 = 12,755,031.40 : x
  2. Step 2: Convert to fraction form
    25,509,615.40/38,264,423.10 = 12,755,031.40/x
  3. Step 3: Cross multiply
    25,509,615.40x = 38,264,423.10 × 12,755,031.40
  4. Step 4: Simplify right side
    25,509,615.40x = 488,063,918,143,385.38
  5. Step 5: Solve for x
    x = 488,063,918,143,385.38/25,509,615.40
  6. Step 6: Final answer
    x = 19,132,547.10

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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.