Home / 13,701,405.80-18,907,937.18-7,506,672.26

Finding the Fourth Proportional to 13,701,405.80, 18,907,937.18 and 7,506,672.26

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Solution

The fourth proportional to 13,701,405.80, 18,907,937.18 and 7,506,672.26 is: 10,359,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,405.80 : 18,907,937.18 = 7,506,672.26 : x
  2. Step 2: Convert to fraction form
    13,701,405.80/18,907,937.18 = 7,506,672.26/x
  3. Step 3: Cross multiply
    13,701,405.80x = 18,907,937.18 × 7,506,672.26
  4. Step 4: Simplify right side
    13,701,405.80x = 141,935,687,390,855.59
  5. Step 5: Solve for x
    x = 141,935,687,390,855.59/13,701,405.80
  6. Step 6: Final answer
    x = 10,359,206.17

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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.