Home / 42,989,051.16-64,471,606.74-14,237,428.68

Finding the Fourth Proportional to 42,989,051.16, 64,471,606.74 and 14,237,428.68

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Solution

The fourth proportional to 42,989,051.16, 64,471,606.74 and 14,237,428.68 is: 21,352,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,989,051.16 : 64,471,606.74 = 14,237,428.68 : x
  2. Step 2: Convert to fraction form
    42,989,051.16/64,471,606.74 = 14,237,428.68/x
  3. Step 3: Cross multiply
    42,989,051.16x = 64,471,606.74 × 14,237,428.68
  4. Step 4: Simplify right side
    42,989,051.16x = 917,909,902,845,757.38
  5. Step 5: Solve for x
    x = 917,909,902,845,757.38/42,989,051.16
  6. Step 6: Final answer
    x = 21,352,178.71

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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.