Home / 7,879,497.80-10,871,854.98-4,781,952.50

Finding the Fourth Proportional to 7,879,497.80, 10,871,854.98 and 4,781,952.50

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Solution

The fourth proportional to 7,879,497.80, 10,871,854.98 and 4,781,952.50 is: 6,597,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,497.80 : 10,871,854.98 = 4,781,952.50 : x
  2. Step 2: Convert to fraction form
    7,879,497.80/10,871,854.98 = 4,781,952.50/x
  3. Step 3: Cross multiply
    7,879,497.80x = 10,871,854.98 × 4,781,952.50
  4. Step 4: Simplify right side
    7,879,497.80x = 51,988,694,101,248.45
  5. Step 5: Solve for x
    x = 51,988,694,101,248.45/7,879,497.80
  6. Step 6: Final answer
    x = 6,597,970.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.