Home / 14,446,686.18-19,935,897.88-7,920,172.42

Finding the Fourth Proportional to 14,446,686.18, 19,935,897.88 and 7,920,172.42

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Solution

The fourth proportional to 14,446,686.18, 19,935,897.88 and 7,920,172.42 is: 10,929,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446,686.18 : 19,935,897.88 = 7,920,172.42 : x
  2. Step 2: Convert to fraction form
    14,446,686.18/19,935,897.88 = 7,920,172.42/x
  3. Step 3: Cross multiply
    14,446,686.18x = 19,935,897.88 × 7,920,172.42
  4. Step 4: Simplify right side
    14,446,686.18x = 157,895,748,557,112.47
  5. Step 5: Solve for x
    x = 157,895,748,557,112.47/14,446,686.18
  6. Step 6: Final answer
    x = 10,929,547.90

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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.