Home / 40,426,921.60-60,643,006.80-21,295,045.60

Finding the Fourth Proportional to 40,426,921.60, 60,643,006.80 and 21,295,045.60

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Solution

The fourth proportional to 40,426,921.60, 60,643,006.80 and 21,295,045.60 is: 31,943,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426,921.60 : 60,643,006.80 = 21,295,045.60 : x
  2. Step 2: Convert to fraction form
    40,426,921.60/60,643,006.80 = 21,295,045.60/x
  3. Step 3: Cross multiply
    40,426,921.60x = 60,643,006.80 × 21,295,045.60
  4. Step 4: Simplify right side
    40,426,921.60x = 1,291,395,595,127,110
  5. Step 5: Solve for x
    x = 1,291,395,595,127,110/40,426,921.60
  6. Step 6: Final answer
    x = 31,943,950.81

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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.