Home / 10,687,981.60-16,017,975.60-9,484,256.80

Finding the Fourth Proportional to 10,687,981.60, 16,017,975.60 and 9,484,256.80

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Solution

The fourth proportional to 10,687,981.60, 16,017,975.60 and 9,484,256.80 is: 14,213,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687,981.60 : 16,017,975.60 = 9,484,256.80 : x
  2. Step 2: Convert to fraction form
    10,687,981.60/16,017,975.60 = 9,484,256.80/x
  3. Step 3: Cross multiply
    10,687,981.60x = 16,017,975.60 × 9,484,256.80
  4. Step 4: Simplify right side
    10,687,981.60x = 151,918,594,006,534.09
  5. Step 5: Solve for x
    x = 151,918,594,006,534.09/10,687,981.60
  6. Step 6: Final answer
    x = 14,213,964.78

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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.