Home / 15,492,731.60-23,239,097.40-13,792,120.40

Finding the Fourth Proportional to 15,492,731.60, 23,239,097.40 and 13,792,120.40

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Solution

The fourth proportional to 15,492,731.60, 23,239,097.40 and 13,792,120.40 is: 20,688,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492,731.60 : 23,239,097.40 = 13,792,120.40 : x
  2. Step 2: Convert to fraction form
    15,492,731.60/23,239,097.40 = 13,792,120.40/x
  3. Step 3: Cross multiply
    15,492,731.60x = 23,239,097.40 × 13,792,120.40
  4. Step 4: Simplify right side
    15,492,731.60x = 320,516,429,328,126.94
  5. Step 5: Solve for x
    x = 320,516,429,328,126.94/15,492,731.60
  6. Step 6: Final answer
    x = 20,688,180.60

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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.