Home / 38,554,465.80-57,830,058.45-12,995,434.20

Finding the Fourth Proportional to 38,554,465.80, 57,830,058.45 and 12,995,434.20

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Solution

The fourth proportional to 38,554,465.80, 57,830,058.45 and 12,995,434.20 is: 19,492,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,554,465.80 : 57,830,058.45 = 12,995,434.20 : x
  2. Step 2: Convert to fraction form
    38,554,465.80/57,830,058.45 = 12,995,434.20/x
  3. Step 3: Cross multiply
    38,554,465.80x = 57,830,058.45 × 12,995,434.20
  4. Step 4: Simplify right side
    38,554,465.80x = 751,526,719,369,129
  5. Step 5: Solve for x
    x = 751,526,719,369,129/38,554,465.80
  6. Step 6: Final answer
    x = 19,492,598.43

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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.