Home / 8,804,237.20-13,206,355.80-8,020,416.40

Finding the Fourth Proportional to 8,804,237.20, 13,206,355.80 and 8,020,416.40

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Solution

The fourth proportional to 8,804,237.20, 13,206,355.80 and 8,020,416.40 is: 12,030,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804,237.20 : 13,206,355.80 = 8,020,416.40 : x
  2. Step 2: Convert to fraction form
    8,804,237.20/13,206,355.80 = 8,020,416.40/x
  3. Step 3: Cross multiply
    8,804,237.20x = 13,206,355.80 × 8,020,416.40
  4. Step 4: Simplify right side
    8,804,237.20x = 105,920,472,642,555.12
  5. Step 5: Solve for x
    x = 105,920,472,642,555.12/8,804,237.20
  6. Step 6: Final answer
    x = 12,030,624.60

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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.