Home / 9,118,099.92-12,586,721.42-6,181,938.51

Finding the Fourth Proportional to 9,118,099.92, 12,586,721.42 and 6,181,938.51

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Solution

The fourth proportional to 9,118,099.92, 12,586,721.42 and 6,181,938.51 is: 8,533,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118,099.92 : 12,586,721.42 = 6,181,938.51 : x
  2. Step 2: Convert to fraction form
    9,118,099.92/12,586,721.42 = 6,181,938.51/x
  3. Step 3: Cross multiply
    9,118,099.92x = 12,586,721.42 × 6,181,938.51
  4. Step 4: Simplify right side
    9,118,099.92x = 77,810,337,830,030.19
  5. Step 5: Solve for x
    x = 77,810,337,830,030.19/9,118,099.92
  6. Step 6: Final answer
    x = 8,533,613.20

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1.5x scale

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.