Home / 52,386,333.48-78,578,947.26-20,473,353

Finding the Fourth Proportional to 52,386,333.48, 78,578,947.26 and 20,473,353

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Solution

The fourth proportional to 52,386,333.48, 78,578,947.26 and 20,473,353 is: 30,709,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,386,333.48 : 78,578,947.26 = 20,473,353 : x
  2. Step 2: Convert to fraction form
    52,386,333.48/78,578,947.26 = 20,473,353/x
  3. Step 3: Cross multiply
    52,386,333.48x = 78,578,947.26 × 20,473,353
  4. Step 4: Simplify right side
    52,386,333.48x = 1,608,774,525,622,363
  5. Step 5: Solve for x
    x = 1,608,774,525,622,363/52,386,333.48
  6. Step 6: Final answer
    x = 30,709,813.40

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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.