Home / 42,989,039.66-64,471,589.51-14,237,417.16

Finding the Fourth Proportional to 42,989,039.66, 64,471,589.51 and 14,237,417.16

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Solution

The fourth proportional to 42,989,039.66, 64,471,589.51 and 14,237,417.16 is: 21,352,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,989,039.66 : 64,471,589.51 = 14,237,417.16 : x
  2. Step 2: Convert to fraction form
    42,989,039.66/64,471,589.51 = 14,237,417.16/x
  3. Step 3: Cross multiply
    42,989,039.66x = 64,471,589.51 × 14,237,417.16
  4. Step 4: Simplify right side
    42,989,039.66x = 917,908,914,822,150
  5. Step 5: Solve for x
    x = 917,908,914,822,150/42,989,039.66
  6. Step 6: Final answer
    x = 21,352,161.44

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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.