Home / 15,710,822.89-21,680,595.76-9,095,690.31

Finding the Fourth Proportional to 15,710,822.89, 21,680,595.76 and 9,095,690.31

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Solution

The fourth proportional to 15,710,822.89, 21,680,595.76 and 9,095,690.31 is: 12,551,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710,822.89 : 21,680,595.76 = 9,095,690.31 : x
  2. Step 2: Convert to fraction form
    15,710,822.89/21,680,595.76 = 9,095,690.31/x
  3. Step 3: Cross multiply
    15,710,822.89x = 21,680,595.76 × 9,095,690.31
  4. Step 4: Simplify right side
    15,710,822.89x = 197,199,984,723,780.62
  5. Step 5: Solve for x
    x = 197,199,984,723,780.62/15,710,822.89
  6. Step 6: Final answer
    x = 12,551,855.89

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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.