Home / 8,139,159.16-12,210,872.82-2,459,534.20

Finding the Fourth Proportional to 8,139,159.16, 12,210,872.82 and 2,459,534.20

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Solution

The fourth proportional to 8,139,159.16, 12,210,872.82 and 2,459,534.20 is: 3,689,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,159.16 : 12,210,872.82 = 2,459,534.20 : x
  2. Step 2: Convert to fraction form
    8,139,159.16/12,210,872.82 = 2,459,534.20/x
  3. Step 3: Cross multiply
    8,139,159.16x = 12,210,872.82 × 2,459,534.20
  4. Step 4: Simplify right side
    8,139,159.16x = 30,033,059,312,640.45
  5. Step 5: Solve for x
    x = 30,033,059,312,640.45/8,139,159.16
  6. Step 6: Final answer
    x = 3,689,946.19

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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.