Home / 13,249,344.40-18,282,888.72-7,666,625.92

Finding the Fourth Proportional to 13,249,344.40, 18,282,888.72 and 7,666,625.92

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Solution

The fourth proportional to 13,249,344.40, 18,282,888.72 and 7,666,625.92 is: 10,579,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,344.40 : 18,282,888.72 = 7,666,625.92 : x
  2. Step 2: Convert to fraction form
    13,249,344.40/18,282,888.72 = 7,666,625.92/x
  3. Step 3: Cross multiply
    13,249,344.40x = 18,282,888.72 × 7,666,625.92
  4. Step 4: Simplify right side
    13,249,344.40x = 140,168,068,553,227.61
  5. Step 5: Solve for x
    x = 140,168,068,553,227.61/13,249,344.40
  6. Step 6: Final answer
    x = 10,579,245.61

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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.