Home / 10,429,804.80-15,626,044.80-8,824,838.40

Finding the Fourth Proportional to 10,429,804.80, 15,626,044.80 and 8,824,838.40

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Solution

The fourth proportional to 10,429,804.80, 15,626,044.80 and 8,824,838.40 is: 13,221,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,804.80 : 15,626,044.80 = 8,824,838.40 : x
  2. Step 2: Convert to fraction form
    10,429,804.80/15,626,044.80 = 8,824,838.40/x
  3. Step 3: Cross multiply
    10,429,804.80x = 15,626,044.80 × 8,824,838.40
  4. Step 4: Simplify right side
    10,429,804.80x = 137,897,320,191,160.33
  5. Step 5: Solve for x
    x = 137,897,320,191,160.33/10,429,804.80
  6. Step 6: Final answer
    x = 13,221,467.02

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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.