Home / 10,200,030.30-15,300,045.45-8,871,427.80

Finding the Fourth Proportional to 10,200,030.30, 15,300,045.45 and 8,871,427.80

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Solution

The fourth proportional to 10,200,030.30, 15,300,045.45 and 8,871,427.80 is: 13,307,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200,030.30 : 15,300,045.45 = 8,871,427.80 : x
  2. Step 2: Convert to fraction form
    10,200,030.30/15,300,045.45 = 8,871,427.80/x
  3. Step 3: Cross multiply
    10,200,030.30x = 15,300,045.45 × 8,871,427.80
  4. Step 4: Simplify right side
    10,200,030.30x = 135,733,248,546,393.52
  5. Step 5: Solve for x
    x = 135,733,248,546,393.52/10,200,030.30
  6. Step 6: Final answer
    x = 13,307,141.70

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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.