Home / 13,657,071.18-20,486,985.65-4,434,658.05

Finding the Fourth Proportional to 13,657,071.18, 20,486,985.65 and 4,434,658.05

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Solution

The fourth proportional to 13,657,071.18, 20,486,985.65 and 4,434,658.05 is: 6,652,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657,071.18 : 20,486,985.65 = 4,434,658.05 : x
  2. Step 2: Convert to fraction form
    13,657,071.18/20,486,985.65 = 4,434,658.05/x
  3. Step 3: Cross multiply
    13,657,071.18x = 20,486,985.65 × 4,434,658.05
  4. Step 4: Simplify right side
    13,657,071.18x = 90,852,775,810,833.69
  5. Step 5: Solve for x
    x = 90,852,775,810,833.69/13,657,071.18
  6. Step 6: Final answer
    x = 6,652,434.82

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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.