Home / 14,112,088.80-21,168,133.20-8,364,069.60

Finding the Fourth Proportional to 14,112,088.80, 21,168,133.20 and 8,364,069.60

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Solution

The fourth proportional to 14,112,088.80, 21,168,133.20 and 8,364,069.60 is: 12,546,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,088.80 : 21,168,133.20 = 8,364,069.60 : x
  2. Step 2: Convert to fraction form
    14,112,088.80/21,168,133.20 = 8,364,069.60/x
  3. Step 3: Cross multiply
    14,112,088.80x = 21,168,133.20 × 8,364,069.60
  4. Step 4: Simplify right side
    14,112,088.80x = 177,051,739,386,870.72
  5. Step 5: Solve for x
    x = 177,051,739,386,870.72/14,112,088.80
  6. Step 6: Final answer
    x = 12,546,104.40

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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.