Home / 21,870,028.40-32,805,042.60-14,642,430.80

Finding the Fourth Proportional to 21,870,028.40, 32,805,042.60 and 14,642,430.80

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Solution

The fourth proportional to 21,870,028.40, 32,805,042.60 and 14,642,430.80 is: 21,963,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,028.40 : 32,805,042.60 = 14,642,430.80 : x
  2. Step 2: Convert to fraction form
    21,870,028.40/32,805,042.60 = 14,642,430.80/x
  3. Step 3: Cross multiply
    21,870,028.40x = 32,805,042.60 × 14,642,430.80
  4. Step 4: Simplify right side
    21,870,028.40x = 480,345,566,161,552.12
  5. Step 5: Solve for x
    x = 480,345,566,161,552.12/21,870,028.40
  6. Step 6: Final answer
    x = 21,963,646.20

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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.