Home / 5,013,728.40-6,918,908.04-2,721,830.16

Finding the Fourth Proportional to 5,013,728.40, 6,918,908.04 and 2,721,830.16

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Solution

The fourth proportional to 5,013,728.40, 6,918,908.04 and 2,721,830.16 is: 3,756,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013,728.40 : 6,918,908.04 = 2,721,830.16 : x
  2. Step 2: Convert to fraction form
    5,013,728.40/6,918,908.04 = 2,721,830.16/x
  3. Step 3: Cross multiply
    5,013,728.40x = 6,918,908.04 × 2,721,830.16
  4. Step 4: Simplify right side
    5,013,728.40x = 18,832,092,577,538.49
  5. Step 5: Solve for x
    x = 18,832,092,577,538.49/5,013,728.40
  6. Step 6: Final answer
    x = 3,756,105.45

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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.