Home / 28,018,218.60-42,035,201.10-13,641,755.40

Finding the Fourth Proportional to 28,018,218.60, 42,035,201.10 and 13,641,755.40

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Solution

The fourth proportional to 28,018,218.60, 42,035,201.10 and 13,641,755.40 is: 20,466,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,218.60 : 42,035,201.10 = 13,641,755.40 : x
  2. Step 2: Convert to fraction form
    28,018,218.60/42,035,201.10 = 13,641,755.40/x
  3. Step 3: Cross multiply
    28,018,218.60x = 42,035,201.10 × 13,641,755.40
  4. Step 4: Simplify right side
    28,018,218.60x = 573,433,931,596,011
  5. Step 5: Solve for x
    x = 573,433,931,596,011/28,018,218.60
  6. Step 6: Final answer
    x = 20,466,466.47

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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.