Home / 7,877,594.40-10,871,110-4,978,273.76

Finding the Fourth Proportional to 7,877,594.40, 10,871,110 and 4,978,273.76

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Solution

The fourth proportional to 7,877,594.40, 10,871,110 and 4,978,273.76 is: 6,870,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,594.40 : 10,871,110 = 4,978,273.76 : x
  2. Step 2: Convert to fraction form
    7,877,594.40/10,871,110 = 4,978,273.76/x
  3. Step 3: Cross multiply
    7,877,594.40x = 10,871,110 × 4,978,273.76
  4. Step 4: Simplify right side
    7,877,594.40x = 54,119,361,655,073.59
  5. Step 5: Solve for x
    x = 54,119,361,655,073.59/7,877,594.40
  6. Step 6: Final answer
    x = 6,870,036.58

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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.