Home / 7,720,309.60-10,655,302.96-4,283,657.76

Finding the Fourth Proportional to 7,720,309.60, 10,655,302.96 and 4,283,657.76

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Solution

The fourth proportional to 7,720,309.60, 10,655,302.96 and 4,283,657.76 is: 5,912,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,309.60 : 10,655,302.96 = 4,283,657.76 : x
  2. Step 2: Convert to fraction form
    7,720,309.60/10,655,302.96 = 4,283,657.76/x
  3. Step 3: Cross multiply
    7,720,309.60x = 10,655,302.96 × 4,283,657.76
  4. Step 4: Simplify right side
    7,720,309.60x = 45,643,671,209,754.97
  5. Step 5: Solve for x
    x = 45,643,671,209,754.97/7,720,309.60
  6. Step 6: Final answer
    x = 5,912,155.54

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1.5x scale

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.