Home / 15,603,987.40-23,405,981.10-15,380,038.60

Finding the Fourth Proportional to 15,603,987.40, 23,405,981.10 and 15,380,038.60

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Solution

The fourth proportional to 15,603,987.40, 23,405,981.10 and 15,380,038.60 is: 23,070,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603,987.40 : 23,405,981.10 = 15,380,038.60 : x
  2. Step 2: Convert to fraction form
    15,603,987.40/23,405,981.10 = 15,380,038.60/x
  3. Step 3: Cross multiply
    15,603,987.40x = 23,405,981.10 × 15,380,038.60
  4. Step 4: Simplify right side
    15,603,987.40x = 359,984,892,788,870.50
  5. Step 5: Solve for x
    x = 359,984,892,788,870.50/15,603,987.40
  6. Step 6: Final answer
    x = 23,070,057.90

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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.