Home / 12,963,727.80-19,445,591.70-3,988,265.40

Finding the Fourth Proportional to 12,963,727.80, 19,445,591.70 and 3,988,265.40

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Solution

The fourth proportional to 12,963,727.80, 19,445,591.70 and 3,988,265.40 is: 5,982,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,727.80 : 19,445,591.70 = 3,988,265.40 : x
  2. Step 2: Convert to fraction form
    12,963,727.80/19,445,591.70 = 3,988,265.40/x
  3. Step 3: Cross multiply
    12,963,727.80x = 19,445,591.70 × 3,988,265.40
  4. Step 4: Simplify right side
    12,963,727.80x = 77,554,180,559,637.17
  5. Step 5: Solve for x
    x = 77,554,180,559,637.17/12,963,727.80
  6. Step 6: Final answer
    x = 5,982,398.10

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1.5x scale

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.