Home / 15,426,451.53-21,288,041.73-8,456,890.68

Finding the Fourth Proportional to 15,426,451.53, 21,288,041.73 and 8,456,890.68

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Solution

The fourth proportional to 15,426,451.53, 21,288,041.73 and 8,456,890.68 is: 11,670,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426,451.53 : 21,288,041.73 = 8,456,890.68 : x
  2. Step 2: Convert to fraction form
    15,426,451.53/21,288,041.73 = 8,456,890.68/x
  3. Step 3: Cross multiply
    15,426,451.53x = 21,288,041.73 × 8,456,890.68
  4. Step 4: Simplify right side
    15,426,451.53x = 180,030,641,701,888.06
  5. Step 5: Solve for x
    x = 180,030,641,701,888.06/15,426,451.53
  6. Step 6: Final answer
    x = 11,670,256.21

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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.