Home / 13,288,440.80-19,920,219.60-10,408,210.40

Finding the Fourth Proportional to 13,288,440.80, 19,920,219.60 and 10,408,210.40

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Solution

The fourth proportional to 13,288,440.80, 19,920,219.60 and 10,408,210.40 is: 15,602,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,440.80 : 19,920,219.60 = 10,408,210.40 : x
  2. Step 2: Convert to fraction form
    13,288,440.80/19,920,219.60 = 10,408,210.40/x
  3. Step 3: Cross multiply
    13,288,440.80x = 19,920,219.60 × 10,408,210.40
  4. Step 4: Simplify right side
    13,288,440.80x = 207,333,836,811,003.88
  5. Step 5: Solve for x
    x = 207,333,836,811,003.88/13,288,440.80
  6. Step 6: Final answer
    x = 15,602,570.68

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1.5x scale

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.