Home / 7,141,864.13-9,855,830.40-3,878,702.22

Finding the Fourth Proportional to 7,141,864.13, 9,855,830.40 and 3,878,702.22

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Solution

The fourth proportional to 7,141,864.13, 9,855,830.40 and 3,878,702.22 is: 5,352,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,864.13 : 9,855,830.40 = 3,878,702.22 : x
  2. Step 2: Convert to fraction form
    7,141,864.13/9,855,830.40 = 3,878,702.22/x
  3. Step 3: Cross multiply
    7,141,864.13x = 9,855,830.40 × 3,878,702.22
  4. Step 4: Simplify right side
    7,141,864.13x = 38,227,831,252,423.49
  5. Step 5: Solve for x
    x = 38,227,831,252,423.49/7,141,864.13
  6. Step 6: Final answer
    x = 5,352,640.51

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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.