Home / 7,720,289.60-10,655,277.36-4,283,637.80

Finding the Fourth Proportional to 7,720,289.60, 10,655,277.36 and 4,283,637.80

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Solution

The fourth proportional to 7,720,289.60, 10,655,277.36 and 4,283,637.80 is: 5,912,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,289.60 : 10,655,277.36 = 4,283,637.80 : x
  2. Step 2: Convert to fraction form
    7,720,289.60/10,655,277.36 = 4,283,637.80/x
  3. Step 3: Cross multiply
    7,720,289.60x = 10,655,277.36 × 4,283,637.80
  4. Step 4: Simplify right side
    7,720,289.60x = 45,643,348,868,780.20
  5. Step 5: Solve for x
    x = 45,643,348,868,780.20/7,720,289.60
  6. Step 6: Final answer
    x = 5,912,129.11

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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.