Home / 8,662,555.17-12,989,347.48-4,617,956.65

Finding the Fourth Proportional to 8,662,555.17, 12,989,347.48 and 4,617,956.65

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Solution

The fourth proportional to 8,662,555.17, 12,989,347.48 and 4,617,956.65 is: 6,924,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662,555.17 : 12,989,347.48 = 4,617,956.65 : x
  2. Step 2: Convert to fraction form
    8,662,555.17/12,989,347.48 = 4,617,956.65/x
  3. Step 3: Cross multiply
    8,662,555.17x = 12,989,347.48 × 4,617,956.65
  4. Step 4: Simplify right side
    8,662,555.17x = 59,984,243,574,426.75
  5. Step 5: Solve for x
    x = 59,984,243,574,426.75/8,662,555.17
  6. Step 6: Final answer
    x = 6,924,543.90

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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.