Home / 15,301,574.38-21,114,566.94-8,684,055.46

Finding the Fourth Proportional to 15,301,574.38, 21,114,566.94 and 8,684,055.46

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Solution

The fourth proportional to 15,301,574.38, 21,114,566.94 and 8,684,055.46 is: 11,983,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,574.38 : 21,114,566.94 = 8,684,055.46 : x
  2. Step 2: Convert to fraction form
    15,301,574.38/21,114,566.94 = 8,684,055.46/x
  3. Step 3: Cross multiply
    15,301,574.38x = 21,114,566.94 × 8,684,055.46
  4. Step 4: Simplify right side
    15,301,574.38x = 183,360,070,320,842.53
  5. Step 5: Solve for x
    x = 183,360,070,320,842.53/15,301,574.38
  6. Step 6: Final answer
    x = 11,983,085.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.