Home / 25,417,938.30-35,076,762.63-13,815,504.78

Finding the Fourth Proportional to 25,417,938.30, 35,076,762.63 and 13,815,504.78

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Solution

The fourth proportional to 25,417,938.30, 35,076,762.63 and 13,815,504.78 is: 19,065,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417,938.30 : 35,076,762.63 = 13,815,504.78 : x
  2. Step 2: Convert to fraction form
    25,417,938.30/35,076,762.63 = 13,815,504.78/x
  3. Step 3: Cross multiply
    25,417,938.30x = 35,076,762.63 × 13,815,504.78
  4. Step 4: Simplify right side
    25,417,938.30x = 484,603,181,781,690.38
  5. Step 5: Solve for x
    x = 484,603,181,781,690.38/25,417,938.30
  6. Step 6: Final answer
    x = 19,065,400.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.