Home / 7,777,210.65-10,729,557.32-4,871,543.01

Finding the Fourth Proportional to 7,777,210.65, 10,729,557.32 and 4,871,543.01

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Solution

The fourth proportional to 7,777,210.65, 10,729,557.32 and 4,871,543.01 is: 6,720,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,210.65 : 10,729,557.32 = 4,871,543.01 : x
  2. Step 2: Convert to fraction form
    7,777,210.65/10,729,557.32 = 4,871,543.01/x
  3. Step 3: Cross multiply
    7,777,210.65x = 10,729,557.32 × 4,871,543.01
  4. Step 4: Simplify right side
    7,777,210.65x = 52,269,499,925,449.20
  5. Step 5: Solve for x
    x = 52,269,499,925,449.20/7,777,210.65
  6. Step 6: Final answer
    x = 6,720,854.34

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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.