Home / 28,811,882.39-43,217,897.39-11,772,555.32

Finding the Fourth Proportional to 28,811,882.39, 43,217,897.39 and 11,772,555.32

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Solution

The fourth proportional to 28,811,882.39, 43,217,897.39 and 11,772,555.32 is: 17,658,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,882.39 : 43,217,897.39 = 11,772,555.32 : x
  2. Step 2: Convert to fraction form
    28,811,882.39/43,217,897.39 = 11,772,555.32/x
  3. Step 3: Cross multiply
    28,811,882.39x = 43,217,897.39 × 11,772,555.32
  4. Step 4: Simplify right side
    28,811,882.39x = 508,785,088,056,368.25
  5. Step 5: Solve for x
    x = 508,785,088,056,368.25/28,811,882.39
  6. Step 6: Final answer
    x = 17,658,863.15

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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.