Home / 10,667,521.16-14,721,178.80-5,772,743.20

Finding the Fourth Proportional to 10,667,521.16, 14,721,178.80 and 5,772,743.20

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Solution

The fourth proportional to 10,667,521.16, 14,721,178.80 and 5,772,743.20 is: 7,966,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667,521.16 : 14,721,178.80 = 5,772,743.20 : x
  2. Step 2: Convert to fraction form
    10,667,521.16/14,721,178.80 = 5,772,743.20/x
  3. Step 3: Cross multiply
    10,667,521.16x = 14,721,178.80 × 5,772,743.20
  4. Step 4: Simplify right side
    10,667,521.16x = 84,981,584,813,684.17
  5. Step 5: Solve for x
    x = 84,981,584,813,684.17/10,667,521.16
  6. Step 6: Final answer
    x = 7,966,385.40

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1.5x scale

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.