Home / 19,926,877.80-29,890,316.70-7,142,769.30

Finding the Fourth Proportional to 19,926,877.80, 29,890,316.70 and 7,142,769.30

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Solution

The fourth proportional to 19,926,877.80, 29,890,316.70 and 7,142,769.30 is: 10,714,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926,877.80 : 29,890,316.70 = 7,142,769.30 : x
  2. Step 2: Convert to fraction form
    19,926,877.80/29,890,316.70 = 7,142,769.30/x
  3. Step 3: Cross multiply
    19,926,877.80x = 29,890,316.70 × 7,142,769.30
  4. Step 4: Simplify right side
    19,926,877.80x = 213,499,636,492,037.31
  5. Step 5: Solve for x
    x = 213,499,636,492,037.31/19,926,877.80
  6. Step 6: Final answer
    x = 10,714,153.95

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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.