Home / 13,249,315.38-18,282,848.70-7,666,596.92

Finding the Fourth Proportional to 13,249,315.38, 18,282,848.70 and 7,666,596.92

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Solution

The fourth proportional to 13,249,315.38, 18,282,848.70 and 7,666,596.92 is: 10,579,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,315.38 : 18,282,848.70 = 7,666,596.92 : x
  2. Step 2: Convert to fraction form
    13,249,315.38/18,282,848.70 = 7,666,596.92/x
  3. Step 3: Cross multiply
    13,249,315.38x = 18,282,848.70 × 7,666,596.92
  4. Step 4: Simplify right side
    13,249,315.38x = 140,167,231,532,246
  5. Step 5: Solve for x
    x = 140,167,231,532,246/13,249,315.38
  6. Step 6: Final answer
    x = 10,579,205.61

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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.