Home / 13,353,407.60-20,030,111.40-8,729,870.90

Finding the Fourth Proportional to 13,353,407.60, 20,030,111.40 and 8,729,870.90

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Solution

The fourth proportional to 13,353,407.60, 20,030,111.40 and 8,729,870.90 is: 13,094,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,407.60 : 20,030,111.40 = 8,729,870.90 : x
  2. Step 2: Convert to fraction form
    13,353,407.60/20,030,111.40 = 8,729,870.90/x
  3. Step 3: Cross multiply
    13,353,407.60x = 20,030,111.40 × 8,729,870.90
  4. Step 4: Simplify right side
    13,353,407.60x = 174,860,286,634,618.25
  5. Step 5: Solve for x
    x = 174,860,286,634,618.25/13,353,407.60
  6. Step 6: Final answer
    x = 13,094,806.35

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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.