Home / 10,681,202.09-14,748,506.83-9,865,079.30

Finding the Fourth Proportional to 10,681,202.09, 14,748,506.83 and 9,865,079.30

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Solution

The fourth proportional to 10,681,202.09, 14,748,506.83 and 9,865,079.30 is: 13,621,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,202.09 : 14,748,506.83 = 9,865,079.30 : x
  2. Step 2: Convert to fraction form
    10,681,202.09/14,748,506.83 = 9,865,079.30/x
  3. Step 3: Cross multiply
    10,681,202.09x = 14,748,506.83 × 9,865,079.30
  4. Step 4: Simplify right side
    10,681,202.09x = 145,495,189,483,744.25
  5. Step 5: Solve for x
    x = 145,495,189,483,744.25/10,681,202.09
  6. Step 6: Final answer
    x = 13,621,611.90

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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.