Home / 48,029,973.12-72,058,411.80-19,296,286.88

Finding the Fourth Proportional to 48,029,973.12, 72,058,411.80 and 19,296,286.88

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Solution

The fourth proportional to 48,029,973.12, 72,058,411.80 and 19,296,286.88 is: 28,949,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,029,973.12 : 72,058,411.80 = 19,296,286.88 : x
  2. Step 2: Convert to fraction form
    48,029,973.12/72,058,411.80 = 19,296,286.88/x
  3. Step 3: Cross multiply
    48,029,973.12x = 72,058,411.80 × 19,296,286.88
  4. Step 4: Simplify right side
    48,029,973.12x = 1,390,459,785,849,685
  5. Step 5: Solve for x
    x = 1,390,459,785,849,685/48,029,973.12
  6. Step 6: Final answer
    x = 28,949,834.77

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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.