Home / 39,402,003.60-59,103,005.40-21,262,150.80

Finding the Fourth Proportional to 39,402,003.60, 59,103,005.40 and 21,262,150.80

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Solution

The fourth proportional to 39,402,003.60, 59,103,005.40 and 21,262,150.80 is: 31,893,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402,003.60 : 59,103,005.40 = 21,262,150.80 : x
  2. Step 2: Convert to fraction form
    39,402,003.60/59,103,005.40 = 21,262,150.80/x
  3. Step 3: Cross multiply
    39,402,003.60x = 59,103,005.40 × 21,262,150.80
  4. Step 4: Simplify right side
    39,402,003.60x = 1,256,657,013,548,014.25
  5. Step 5: Solve for x
    x = 1,256,657,013,548,014.25/39,402,003.60
  6. Step 6: Final answer
    x = 31,893,226.20

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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.