Home / 28,341,644.40-42,516,613.80-14,879,487.60

Finding the Fourth Proportional to 28,341,644.40, 42,516,613.80 and 14,879,487.60

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Solution

The fourth proportional to 28,341,644.40, 42,516,613.80 and 14,879,487.60 is: 22,321,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341,644.40 : 42,516,613.80 = 14,879,487.60 : x
  2. Step 2: Convert to fraction form
    28,341,644.40/42,516,613.80 = 14,879,487.60/x
  3. Step 3: Cross multiply
    28,341,644.40x = 42,516,613.80 × 14,879,487.60
  4. Step 4: Simplify right side
    28,341,644.40x = 632,625,427,831,088.88
  5. Step 5: Solve for x
    x = 632,625,427,831,088.88/28,341,644.40
  6. Step 6: Final answer
    x = 22,321,408.70

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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.