Home / 12,865,041.19-17,747,055.61-10,420,412.59

Finding the Fourth Proportional to 12,865,041.19, 17,747,055.61 and 10,420,412.59

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Solution

The fourth proportional to 12,865,041.19, 17,747,055.61 and 10,420,412.59 is: 14,374,741.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,041.19 : 17,747,055.61 = 10,420,412.59 : x
  2. Step 2: Convert to fraction form
    12,865,041.19/17,747,055.61 = 10,420,412.59/x
  3. Step 3: Cross multiply
    12,865,041.19x = 17,747,055.61 × 10,420,412.59
  4. Step 4: Simplify right side
    12,865,041.19x = 184,931,641,713,874.12
  5. Step 5: Solve for x
    x = 184,931,641,713,874.12/12,865,041.19
  6. Step 6: Final answer
    x = 14,374,741.52

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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.