Home / 19,931,155.60-29,896,733.40-4,785,087.10

Finding the Fourth Proportional to 19,931,155.60, 29,896,733.40 and 4,785,087.10

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Solution

The fourth proportional to 19,931,155.60, 29,896,733.40 and 4,785,087.10 is: 7,177,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,155.60 : 29,896,733.40 = 4,785,087.10 : x
  2. Step 2: Convert to fraction form
    19,931,155.60/29,896,733.40 = 4,785,087.10/x
  3. Step 3: Cross multiply
    19,931,155.60x = 29,896,733.40 × 4,785,087.10
  4. Step 4: Simplify right side
    19,931,155.60x = 143,058,473,324,479.12
  5. Step 5: Solve for x
    x = 143,058,473,324,479.12/19,931,155.60
  6. Step 6: Final answer
    x = 7,177,630.65

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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.