Home / 9,218,596.90-12,721,666-5,088,630.40

Finding the Fourth Proportional to 9,218,596.90, 12,721,666 and 5,088,630.40

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Solution

The fourth proportional to 9,218,596.90, 12,721,666 and 5,088,630.40 is: 7,022,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,596.90 : 12,721,666 = 5,088,630.40 : x
  2. Step 2: Convert to fraction form
    9,218,596.90/12,721,666 = 5,088,630.40/x
  3. Step 3: Cross multiply
    9,218,596.90x = 12,721,666 × 5,088,630.40
  4. Step 4: Simplify right side
    9,218,596.90x = 64,735,856,346,246.41
  5. Step 5: Solve for x
    x = 64,735,856,346,246.41/9,218,596.90
  6. Step 6: Final answer
    x = 7,022,311.21

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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.