Home / 7,919,782.32-10,927,718.79-4,820,229.60

Finding the Fourth Proportional to 7,919,782.32, 10,927,718.79 and 4,820,229.60

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Solution

The fourth proportional to 7,919,782.32, 10,927,718.79 and 4,820,229.60 is: 6,650,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919,782.32 : 10,927,718.79 = 4,820,229.60 : x
  2. Step 2: Convert to fraction form
    7,919,782.32/10,927,718.79 = 4,820,229.60/x
  3. Step 3: Cross multiply
    7,919,782.32x = 10,927,718.79 × 4,820,229.60
  4. Step 4: Simplify right side
    7,919,782.32x = 52,674,113,572,034.17
  5. Step 5: Solve for x
    x = 52,674,113,572,034.17/7,919,782.32
  6. Step 6: Final answer
    x = 6,650,954.72

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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.