Home / 7,921,821.60-10,931,798.88-4,484,775.60

Finding the Fourth Proportional to 7,921,821.60, 10,931,798.88 and 4,484,775.60

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Solution

The fourth proportional to 7,921,821.60, 10,931,798.88 and 4,484,775.60 is: 6,188,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,821.60 : 10,931,798.88 = 4,484,775.60 : x
  2. Step 2: Convert to fraction form
    7,921,821.60/10,931,798.88 = 4,484,775.60/x
  3. Step 3: Cross multiply
    7,921,821.60x = 10,931,798.88 × 4,484,775.60
  4. Step 4: Simplify right side
    7,921,821.60x = 49,026,664,881,131.33
  5. Step 5: Solve for x
    x = 49,026,664,881,131.33/7,921,821.60
  6. Step 6: Final answer
    x = 6,188,812.04

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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.