Home / 12,696,130.20-19,044,195.30-10,869,547.80

Finding the Fourth Proportional to 12,696,130.20, 19,044,195.30 and 10,869,547.80

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Solution

The fourth proportional to 12,696,130.20, 19,044,195.30 and 10,869,547.80 is: 16,304,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,130.20 : 19,044,195.30 = 10,869,547.80 : x
  2. Step 2: Convert to fraction form
    12,696,130.20/19,044,195.30 = 10,869,547.80/x
  3. Step 3: Cross multiply
    12,696,130.20x = 19,044,195.30 × 10,869,547.80
  4. Step 4: Simplify right side
    12,696,130.20x = 207,001,791,125,885.38
  5. Step 5: Solve for x
    x = 207,001,791,125,885.38/12,696,130.20
  6. Step 6: Final answer
    x = 16,304,321.70

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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.