Home / 15,680,421.51-23,486,340.11-11,117,639.67

Finding the Fourth Proportional to 15,680,421.51, 23,486,340.11 and 11,117,639.67

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Solution

The fourth proportional to 15,680,421.51, 23,486,340.11 and 11,117,639.67 is: 16,652,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680,421.51 : 23,486,340.11 = 11,117,639.67 : x
  2. Step 2: Convert to fraction form
    15,680,421.51/23,486,340.11 = 11,117,639.67/x
  3. Step 3: Cross multiply
    15,680,421.51x = 23,486,340.11 × 11,117,639.67
  4. Step 4: Simplify right side
    15,680,421.51x = 261,112,666,454,459.97
  5. Step 5: Solve for x
    x = 261,112,666,454,459.97/15,680,421.51
  6. Step 6: Final answer
    x = 16,652,145.88

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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.