Home / 11,506,764.04-15,885,304.62-8,405,805.40

Finding the Fourth Proportional to 11,506,764.04, 15,885,304.62 and 8,405,805.40

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Solution

The fourth proportional to 11,506,764.04, 15,885,304.62 and 8,405,805.40 is: 11,604,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506,764.04 : 15,885,304.62 = 8,405,805.40 : x
  2. Step 2: Convert to fraction form
    11,506,764.04/15,885,304.62 = 8,405,805.40/x
  3. Step 3: Cross multiply
    11,506,764.04x = 15,885,304.62 × 8,405,805.40
  4. Step 4: Simplify right side
    11,506,764.04x = 133,528,779,355,440.95
  5. Step 5: Solve for x
    x = 133,528,779,355,440.95/11,506,764.04
  6. Step 6: Final answer
    x = 11,604,372.78

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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.