Home / 9,157,228.40-13,742,063.40-5,113,708.40

Finding the Fourth Proportional to 9,157,228.40, 13,742,063.40 and 5,113,708.40

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Solution

The fourth proportional to 9,157,228.40, 13,742,063.40 and 5,113,708.40 is: 7,674,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157,228.40 : 13,742,063.40 = 5,113,708.40 : x
  2. Step 2: Convert to fraction form
    9,157,228.40/13,742,063.40 = 5,113,708.40/x
  3. Step 3: Cross multiply
    9,157,228.40x = 13,742,063.40 × 5,113,708.40
  4. Step 4: Simplify right side
    9,157,228.40x = 70,272,905,041,912.57
  5. Step 5: Solve for x
    x = 70,272,905,041,912.57/9,157,228.40
  6. Step 6: Final answer
    x = 7,674,036.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.