Home / 14,495,915.20-21,746,497.20-7,289,312.80

Finding the Fourth Proportional to 14,495,915.20, 21,746,497.20 and 7,289,312.80

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Solution

The fourth proportional to 14,495,915.20, 21,746,497.20 and 7,289,312.80 is: 10,935,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495,915.20 : 21,746,497.20 = 7,289,312.80 : x
  2. Step 2: Convert to fraction form
    14,495,915.20/21,746,497.20 = 7,289,312.80/x
  3. Step 3: Cross multiply
    14,495,915.20x = 21,746,497.20 × 7,289,312.80
  4. Step 4: Simplify right side
    14,495,915.20x = 158,517,020,395,124.16
  5. Step 5: Solve for x
    x = 158,517,020,395,124.16/14,495,915.20
  6. Step 6: Final answer
    x = 10,935,288.89

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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.