Home / 14,127,985.80-21,191,978.70-7,304,545.80

Finding the Fourth Proportional to 14,127,985.80, 21,191,978.70 and 7,304,545.80

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Solution

The fourth proportional to 14,127,985.80, 21,191,978.70 and 7,304,545.80 is: 10,956,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127,985.80 : 21,191,978.70 = 7,304,545.80 : x
  2. Step 2: Convert to fraction form
    14,127,985.80/21,191,978.70 = 7,304,545.80/x
  3. Step 3: Cross multiply
    14,127,985.80x = 21,191,978.70 × 7,304,545.80
  4. Step 4: Simplify right side
    14,127,985.80x = 154,797,779,006,774.44
  5. Step 5: Solve for x
    x = 154,797,779,006,774.44/14,127,985.80
  6. Step 6: Final answer
    x = 10,956,818.70

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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.