Home / 12,452,509.20-17,182,258.20-7,020,001.20

Finding the Fourth Proportional to 12,452,509.20, 17,182,258.20 and 7,020,001.20

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Solution

The fourth proportional to 12,452,509.20, 17,182,258.20 and 7,020,001.20 is: 9,686,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,509.20 : 17,182,258.20 = 7,020,001.20 : x
  2. Step 2: Convert to fraction form
    12,452,509.20/17,182,258.20 = 7,020,001.20/x
  3. Step 3: Cross multiply
    12,452,509.20x = 17,182,258.20 × 7,020,001.20
  4. Step 4: Simplify right side
    12,452,509.20x = 120,619,473,182,709.84
  5. Step 5: Solve for x
    x = 120,619,473,182,709.84/12,452,509.20
  6. Step 6: Final answer
    x = 9,686,358.89

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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.