Home / 14,092,307.20-19,446,734.08-7,980,780.16

Finding the Fourth Proportional to 14,092,307.20, 19,446,734.08 and 7,980,780.16

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Solution

The fourth proportional to 14,092,307.20, 19,446,734.08 and 7,980,780.16 is: 11,013,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092,307.20 : 19,446,734.08 = 7,980,780.16 : x
  2. Step 2: Convert to fraction form
    14,092,307.20/19,446,734.08 = 7,980,780.16/x
  3. Step 3: Cross multiply
    14,092,307.20x = 19,446,734.08 × 7,980,780.16
  4. Step 4: Simplify right side
    14,092,307.20x = 155,200,109,522,459.84
  5. Step 5: Solve for x
    x = 155,200,109,522,459.84/14,092,307.20
  6. Step 6: Final answer
    x = 11,013,108.59

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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.