Home / 15,406,763.94-21,261,301.74-8,880,349.32

Finding the Fourth Proportional to 15,406,763.94, 21,261,301.74 and 8,880,349.32

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Solution

The fourth proportional to 15,406,763.94, 21,261,301.74 and 8,880,349.32 is: 12,254,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,763.94 : 21,261,301.74 = 8,880,349.32 : x
  2. Step 2: Convert to fraction form
    15,406,763.94/21,261,301.74 = 8,880,349.32/x
  3. Step 3: Cross multiply
    15,406,763.94x = 21,261,301.74 × 8,880,349.32
  4. Step 4: Simplify right side
    15,406,763.94x = 188,807,786,449,123.81
  5. Step 5: Solve for x
    x = 188,807,786,449,123.81/15,406,763.94
  6. Step 6: Final answer
    x = 12,254,863.33

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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.