Home / 24,138,912.60-36,208,368.90-21,021,125.40

Finding the Fourth Proportional to 24,138,912.60, 36,208,368.90 and 21,021,125.40

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Solution

The fourth proportional to 24,138,912.60, 36,208,368.90 and 21,021,125.40 is: 31,531,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,138,912.60 : 36,208,368.90 = 21,021,125.40 : x
  2. Step 2: Convert to fraction form
    24,138,912.60/36,208,368.90 = 21,021,125.40/x
  3. Step 3: Cross multiply
    24,138,912.60x = 36,208,368.90 × 21,021,125.40
  4. Step 4: Simplify right side
    24,138,912.60x = 761,140,663,176,360
  5. Step 5: Solve for x
    x = 761,140,663,176,360/24,138,912.60
  6. Step 6: Final answer
    x = 31,531,688.10

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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.