Home / 9,513,384.32-13,128,506.05-5,162,471.53

Finding the Fourth Proportional to 9,513,384.32, 13,128,506.05 and 5,162,471.53

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Solution

The fourth proportional to 9,513,384.32, 13,128,506.05 and 5,162,471.53 is: 7,124,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,384.32 : 13,128,506.05 = 5,162,471.53 : x
  2. Step 2: Convert to fraction form
    9,513,384.32/13,128,506.05 = 5,162,471.53/x
  3. Step 3: Cross multiply
    9,513,384.32x = 13,128,506.05 × 5,162,471.53
  4. Step 4: Simplify right side
    9,513,384.32x = 67,775,538,714,557.77
  5. Step 5: Solve for x
    x = 67,775,538,714,557.77/9,513,384.32
  6. Step 6: Final answer
    x = 7,124,230.08

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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.