Home / 40,989,921.40-61,483,901.94-13,323,804.16

Finding the Fourth Proportional to 40,989,921.40, 61,483,901.94 and 13,323,804.16

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Solution

The fourth proportional to 40,989,921.40, 61,483,901.94 and 13,323,804.16 is: 19,985,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989,921.40 : 61,483,901.94 = 13,323,804.16 : x
  2. Step 2: Convert to fraction form
    40,989,921.40/61,483,901.94 = 13,323,804.16/x
  3. Step 3: Cross multiply
    40,989,921.40x = 61,483,901.94 × 13,323,804.16
  4. Step 4: Simplify right side
    40,989,921.40x = 819,199,468,441,204
  5. Step 5: Solve for x
    x = 819,199,468,441,204/40,989,921.40
  6. Step 6: Final answer
    x = 19,985,387.64

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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.