Home / 10,512,040.80-15,768,061.20-2,938,994.40

Finding the Fourth Proportional to 10,512,040.80, 15,768,061.20 and 2,938,994.40

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Solution

The fourth proportional to 10,512,040.80, 15,768,061.20 and 2,938,994.40 is: 4,408,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,040.80 : 15,768,061.20 = 2,938,994.40 : x
  2. Step 2: Convert to fraction form
    10,512,040.80/15,768,061.20 = 2,938,994.40/x
  3. Step 3: Cross multiply
    10,512,040.80x = 15,768,061.20 × 2,938,994.40
  4. Step 4: Simplify right side
    10,512,040.80x = 46,342,243,565,657.27
  5. Step 5: Solve for x
    x = 46,342,243,565,657.27/10,512,040.80
  6. Step 6: Final answer
    x = 4,408,491.60

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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.