Home / 25,929,209.16-38,918,225.52-13,158,878.76

Finding the Fourth Proportional to 25,929,209.16, 38,918,225.52 and 13,158,878.76

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Solution

The fourth proportional to 25,929,209.16, 38,918,225.52 and 13,158,878.76 is: 19,750,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929,209.16 : 38,918,225.52 = 13,158,878.76 : x
  2. Step 2: Convert to fraction form
    25,929,209.16/38,918,225.52 = 13,158,878.76/x
  3. Step 3: Cross multiply
    25,929,209.16x = 38,918,225.52 × 13,158,878.76
  4. Step 4: Simplify right side
    25,929,209.16x = 512,120,211,172,018
  5. Step 5: Solve for x
    x = 512,120,211,172,018/25,929,209.16
  6. Step 6: Final answer
    x = 19,750,706.93

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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.