Home / 13,103,438.40-19,655,157.60-7,434,734.40

Finding the Fourth Proportional to 13,103,438.40, 19,655,157.60 and 7,434,734.40

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Solution

The fourth proportional to 13,103,438.40, 19,655,157.60 and 7,434,734.40 is: 11,152,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,438.40 : 19,655,157.60 = 7,434,734.40 : x
  2. Step 2: Convert to fraction form
    13,103,438.40/19,655,157.60 = 7,434,734.40/x
  3. Step 3: Cross multiply
    13,103,438.40x = 19,655,157.60 × 7,434,734.40
  4. Step 4: Simplify right side
    13,103,438.40x = 146,130,876,346,141.47
  5. Step 5: Solve for x
    x = 146,130,876,346,141.47/13,103,438.40
  6. Step 6: Final answer
    x = 11,152,101.60

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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.