Home / 14,478,510.80-21,717,766.20-9,628,619.60

Finding the Fourth Proportional to 14,478,510.80, 21,717,766.20 and 9,628,619.60

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Solution

The fourth proportional to 14,478,510.80, 21,717,766.20 and 9,628,619.60 is: 14,442,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478,510.80 : 21,717,766.20 = 9,628,619.60 : x
  2. Step 2: Convert to fraction form
    14,478,510.80/21,717,766.20 = 9,628,619.60/x
  3. Step 3: Cross multiply
    14,478,510.80x = 21,717,766.20 × 9,628,619.60
  4. Step 4: Simplify right side
    14,478,510.80x = 209,112,109,301,537.50
  5. Step 5: Solve for x
    x = 209,112,109,301,537.50/14,478,510.80
  6. Step 6: Final answer
    x = 14,442,929.40

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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.