Home / 14,666,870.29-20,238,639.34-8,140,774.81

Finding the Fourth Proportional to 14,666,870.29, 20,238,639.34 and 8,140,774.81

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Solution

The fourth proportional to 14,666,870.29, 20,238,639.34 and 8,140,774.81 is: 11,233,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666,870.29 : 20,238,639.34 = 8,140,774.81 : x
  2. Step 2: Convert to fraction form
    14,666,870.29/20,238,639.34 = 8,140,774.81/x
  3. Step 3: Cross multiply
    14,666,870.29x = 20,238,639.34 × 8,140,774.81
  4. Step 4: Simplify right side
    14,666,870.29x = 164,758,205,327,747.03
  5. Step 5: Solve for x
    x = 164,758,205,327,747.03/14,666,870.29
  6. Step 6: Final answer
    x = 11,233,358.04

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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.