Home / 42,683,403.49-64,031,212.71-13,142,093.16

Finding the Fourth Proportional to 42,683,403.49, 64,031,212.71 and 13,142,093.16

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Solution

The fourth proportional to 42,683,403.49, 64,031,212.71 and 13,142,093.16 is: 19,715,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,683,403.49 : 64,031,212.71 = 13,142,093.16 : x
  2. Step 2: Convert to fraction form
    42,683,403.49/64,031,212.71 = 13,142,093.16/x
  3. Step 3: Cross multiply
    42,683,403.49x = 64,031,212.71 × 13,142,093.16
  4. Step 4: Simplify right side
    42,683,403.49x = 841,504,162,582,596.12
  5. Step 5: Solve for x
    x = 841,504,162,582,596.12/42,683,403.49
  6. Step 6: Final answer
    x = 19,715,020.21

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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.