Home / 12,811,341.47-17,679,651.21-7,010,123.20

Finding the Fourth Proportional to 12,811,341.47, 17,679,651.21 and 7,010,123.20

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Solution

The fourth proportional to 12,811,341.47, 17,679,651.21 and 7,010,123.20 is: 9,673,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,341.47 : 17,679,651.21 = 7,010,123.20 : x
  2. Step 2: Convert to fraction form
    12,811,341.47/17,679,651.21 = 7,010,123.20/x
  3. Step 3: Cross multiply
    12,811,341.47x = 17,679,651.21 × 7,010,123.20
  4. Step 4: Simplify right side
    12,811,341.47x = 123,936,533,070,929.95
  5. Step 5: Solve for x
    x = 123,936,533,070,929.95/12,811,341.47
  6. Step 6: Final answer
    x = 9,673,970.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.