Home / 12,274,443.92-18,390,830.13-7,406,521.34

Finding the Fourth Proportional to 12,274,443.92, 18,390,830.13 and 7,406,521.34

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Solution

The fourth proportional to 12,274,443.92, 18,390,830.13 and 7,406,521.34 is: 11,097,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,443.92 : 18,390,830.13 = 7,406,521.34 : x
  2. Step 2: Convert to fraction form
    12,274,443.92/18,390,830.13 = 7,406,521.34/x
  3. Step 3: Cross multiply
    12,274,443.92x = 18,390,830.13 × 7,406,521.34
  4. Step 4: Simplify right side
    12,274,443.92x = 136,212,075,781,127.36
  5. Step 5: Solve for x
    x = 136,212,075,781,127.36/12,274,443.92
  6. Step 6: Final answer
    x = 11,097,209.51

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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.