Home / 13,280,033.60-19,920,050.40-9,668,859.20

Finding the Fourth Proportional to 13,280,033.60, 19,920,050.40 and 9,668,859.20

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Solution

The fourth proportional to 13,280,033.60, 19,920,050.40 and 9,668,859.20 is: 14,503,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,033.60 : 19,920,050.40 = 9,668,859.20 : x
  2. Step 2: Convert to fraction form
    13,280,033.60/19,920,050.40 = 9,668,859.20/x
  3. Step 3: Cross multiply
    13,280,033.60x = 19,920,050.40 × 9,668,859.20
  4. Step 4: Simplify right side
    13,280,033.60x = 192,604,162,574,503.66
  5. Step 5: Solve for x
    x = 192,604,162,574,503.66/13,280,033.60
  6. Step 6: Final answer
    x = 14,503,288.80

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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.