Home / 12,254,133.60-18,381,200.40-6,879,362.40

Finding the Fourth Proportional to 12,254,133.60, 18,381,200.40 and 6,879,362.40

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Solution

The fourth proportional to 12,254,133.60, 18,381,200.40 and 6,879,362.40 is: 10,319,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,133.60 : 18,381,200.40 = 6,879,362.40 : x
  2. Step 2: Convert to fraction form
    12,254,133.60/18,381,200.40 = 6,879,362.40/x
  3. Step 3: Cross multiply
    12,254,133.60x = 18,381,200.40 × 6,879,362.40
  4. Step 4: Simplify right side
    12,254,133.60x = 126,450,938,898,624.95
  5. Step 5: Solve for x
    x = 126,450,938,898,624.95/12,254,133.60
  6. Step 6: Final answer
    x = 10,319,043.60

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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.