Home / 10,137,258.27-15,249,038.31-9,189,147.33

Finding the Fourth Proportional to 10,137,258.27, 15,249,038.31 and 9,189,147.33

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Solution

The fourth proportional to 10,137,258.27, 15,249,038.31 and 9,189,147.33 is: 13,822,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,258.27 : 15,249,038.31 = 9,189,147.33 : x
  2. Step 2: Convert to fraction form
    10,137,258.27/15,249,038.31 = 9,189,147.33/x
  3. Step 3: Cross multiply
    10,137,258.27x = 15,249,038.31 × 9,189,147.33
  4. Step 4: Simplify right side
    10,137,258.27x = 140,125,659,671,404.22
  5. Step 5: Solve for x
    x = 140,125,659,671,404.22/10,137,258.27
  6. Step 6: Final answer
    x = 13,822,836.11

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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.