Home / 9,513,119.40-13,128,038.19-5,162,095.05

Finding the Fourth Proportional to 9,513,119.40, 13,128,038.19 and 5,162,095.05

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Solution

The fourth proportional to 9,513,119.40, 13,128,038.19 and 5,162,095.05 is: 7,123,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,119.40 : 13,128,038.19 = 5,162,095.05 : x
  2. Step 2: Convert to fraction form
    9,513,119.40/13,128,038.19 = 5,162,095.05/x
  3. Step 3: Cross multiply
    9,513,119.40x = 13,128,038.19 × 5,162,095.05
  4. Step 4: Simplify right side
    9,513,119.40x = 67,768,180,956,809.95
  5. Step 5: Solve for x
    x = 67,768,180,956,809.95/9,513,119.40
  6. Step 6: Final answer
    x = 7,123,655.04

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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.