Home / 9,986,742.33-13,791,222.63-9,442,671.81

Finding the Fourth Proportional to 9,986,742.33, 13,791,222.63 and 9,442,671.81

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Solution

The fourth proportional to 9,986,742.33, 13,791,222.63 and 9,442,671.81 is: 13,039,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,742.33 : 13,791,222.63 = 9,442,671.81 : x
  2. Step 2: Convert to fraction form
    9,986,742.33/13,791,222.63 = 9,442,671.81/x
  3. Step 3: Cross multiply
    9,986,742.33x = 13,791,222.63 × 9,442,671.81
  4. Step 4: Simplify right side
    9,986,742.33x = 130,225,989,153,735.08
  5. Step 5: Solve for x
    x = 130,225,989,153,735.08/9,986,742.33
  6. Step 6: Final answer
    x = 13,039,886.77

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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.