Home / 52,386,326.48-78,578,936.76-20,473,346

Finding the Fourth Proportional to 52,386,326.48, 78,578,936.76 and 20,473,346

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Solution

The fourth proportional to 52,386,326.48, 78,578,936.76 and 20,473,346 is: 30,709,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,386,326.48 : 78,578,936.76 = 20,473,346 : x
  2. Step 2: Convert to fraction form
    52,386,326.48/78,578,936.76 = 20,473,346/x
  3. Step 3: Cross multiply
    52,386,326.48x = 78,578,936.76 × 20,473,346
  4. Step 4: Simplify right side
    52,386,326.48x = 1,608,773,760,599,599
  5. Step 5: Solve for x
    x = 1,608,773,760,599,599/52,386,326.48
  6. Step 6: Final answer
    x = 30,709,802.90

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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.