Home / 9,187,870.88-12,679,046.16-5,113,402.40

Finding the Fourth Proportional to 9,187,870.88, 12,679,046.16 and 5,113,402.40

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Solution

The fourth proportional to 9,187,870.88, 12,679,046.16 and 5,113,402.40 is: 7,056,375.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187,870.88 : 12,679,046.16 = 5,113,402.40 : x
  2. Step 2: Convert to fraction form
    9,187,870.88/12,679,046.16 = 5,113,402.40/x
  3. Step 3: Cross multiply
    9,187,870.88x = 12,679,046.16 × 5,113,402.40
  4. Step 4: Simplify right side
    9,187,870.88x = 64,833,065,064,254.79
  5. Step 5: Solve for x
    x = 64,833,065,064,254.79/9,187,870.88
  6. Step 6: Final answer
    x = 7,056,375.29

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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.