Home / 12,390,603.13-17,095,939.86-7,429,823.11

Finding the Fourth Proportional to 12,390,603.13, 17,095,939.86 and 7,429,823.11

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Solution

The fourth proportional to 12,390,603.13, 17,095,939.86 and 7,429,823.11 is: 10,251,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,603.13 : 17,095,939.86 = 7,429,823.11 : x
  2. Step 2: Convert to fraction form
    12,390,603.13/17,095,939.86 = 7,429,823.11/x
  3. Step 3: Cross multiply
    12,390,603.13x = 17,095,939.86 × 7,429,823.11
  4. Step 4: Simplify right side
    12,390,603.13x = 127,019,809,058,998.17
  5. Step 5: Solve for x
    x = 127,019,809,058,998.17/12,390,603.13
  6. Step 6: Final answer
    x = 10,251,301.55

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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.