Home / 30,450,726.11-45,657,848.05-9,692,197.78

Finding the Fourth Proportional to 30,450,726.11, 45,657,848.05 and 9,692,197.78

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Solution

The fourth proportional to 30,450,726.11, 45,657,848.05 and 9,692,197.78 is: 14,532,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450,726.11 : 45,657,848.05 = 9,692,197.78 : x
  2. Step 2: Convert to fraction form
    30,450,726.11/45,657,848.05 = 9,692,197.78/x
  3. Step 3: Cross multiply
    30,450,726.11x = 45,657,848.05 × 9,692,197.78
  4. Step 4: Simplify right side
    30,450,726.11x = 442,524,893,536,301.56
  5. Step 5: Solve for x
    x = 442,524,893,536,301.56/30,450,726.11
  6. Step 6: Final answer
    x = 14,532,490.69

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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.