Home / 5,156,090.39-7,112,444.27-3,218,987.94

Finding the Fourth Proportional to 5,156,090.39, 7,112,444.27 and 3,218,987.94

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Solution

The fourth proportional to 5,156,090.39, 7,112,444.27 and 3,218,987.94 is: 4,440,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,090.39 : 7,112,444.27 = 3,218,987.94 : x
  2. Step 2: Convert to fraction form
    5,156,090.39/7,112,444.27 = 3,218,987.94/x
  3. Step 3: Cross multiply
    5,156,090.39x = 7,112,444.27 × 3,218,987.94
  4. Step 4: Simplify right side
    5,156,090.39x = 22,894,872,312,957.16
  5. Step 5: Solve for x
    x = 22,894,872,312,957.16/5,156,090.39
  6. Step 6: Final answer
    x = 4,440,355.11

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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.