Home / 12,895,525.74-17,785,750.95-7,998,001.50

Finding the Fourth Proportional to 12,895,525.74, 17,785,750.95 and 7,998,001.50

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Solution

The fourth proportional to 12,895,525.74, 17,785,750.95 and 7,998,001.50 is: 11,030,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895,525.74 : 17,785,750.95 = 7,998,001.50 : x
  2. Step 2: Convert to fraction form
    12,895,525.74/17,785,750.95 = 7,998,001.50/x
  3. Step 3: Cross multiply
    12,895,525.74x = 17,785,750.95 × 7,998,001.50
  4. Step 4: Simplify right side
    12,895,525.74x = 142,250,462,776,726.41
  5. Step 5: Solve for x
    x = 142,250,462,776,726.41/12,895,525.74
  6. Step 6: Final answer
    x = 11,030,993.67

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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.