Home / 8,281,688.40-12,423,115.80-4,689,176.40

Finding the Fourth Proportional to 8,281,688.40, 12,423,115.80 and 4,689,176.40

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Solution

The fourth proportional to 8,281,688.40, 12,423,115.80 and 4,689,176.40 is: 7,034,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,688.40 : 12,423,115.80 = 4,689,176.40 : x
  2. Step 2: Convert to fraction form
    8,281,688.40/12,423,115.80 = 4,689,176.40/x
  3. Step 3: Cross multiply
    8,281,688.40x = 12,423,115.80 × 4,689,176.40
  4. Step 4: Simplify right side
    8,281,688.40x = 58,254,181,423,827.12
  5. Step 5: Solve for x
    x = 58,254,181,423,827.12/8,281,688.40
  6. Step 6: Final answer
    x = 7,034,094.81

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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.