Home / 13,357,882.63-18,433,913.51-7,246,311.13

Finding the Fourth Proportional to 13,357,882.63, 18,433,913.51 and 7,246,311.13

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Solution

The fourth proportional to 13,357,882.63, 18,433,913.51 and 7,246,311.13 is: 9,999,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,882.63 : 18,433,913.51 = 7,246,311.13 : x
  2. Step 2: Convert to fraction form
    13,357,882.63/18,433,913.51 = 7,246,311.13/x
  3. Step 3: Cross multiply
    13,357,882.63x = 18,433,913.51 × 7,246,311.13
  4. Step 4: Simplify right side
    13,357,882.63x = 133,577,872,636,970.38
  5. Step 5: Solve for x
    x = 133,577,872,636,970.38/13,357,882.63
  6. Step 6: Final answer
    x = 9,999,928.61

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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.