Home / 10,402,462.40-15,603,693.60-9,142,750.40

Finding the Fourth Proportional to 10,402,462.40, 15,603,693.60 and 9,142,750.40

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Solution

The fourth proportional to 10,402,462.40, 15,603,693.60 and 9,142,750.40 is: 13,714,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,462.40 : 15,603,693.60 = 9,142,750.40 : x
  2. Step 2: Convert to fraction form
    10,402,462.40/15,603,693.60 = 9,142,750.40/x
  3. Step 3: Cross multiply
    10,402,462.40x = 15,603,693.60 × 9,142,750.40
  4. Step 4: Simplify right side
    10,402,462.40x = 142,660,675,902,877.44
  5. Step 5: Solve for x
    x = 142,660,675,902,877.44/10,402,462.40
  6. Step 6: Final answer
    x = 13,714,125.60

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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.