Home / 7,128,001.40-10,673,339.70-5,224,436.60

Finding the Fourth Proportional to 7,128,001.40, 10,673,339.70 and 5,224,436.60

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Solution

The fourth proportional to 7,128,001.40, 10,673,339.70 and 5,224,436.60 is: 7,822,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,001.40 : 10,673,339.70 = 5,224,436.60 : x
  2. Step 2: Convert to fraction form
    7,128,001.40/10,673,339.70 = 5,224,436.60/x
  3. Step 3: Cross multiply
    7,128,001.40x = 10,673,339.70 × 5,224,436.60
  4. Step 4: Simplify right side
    7,128,001.40x = 55,762,186,572,913.02
  5. Step 5: Solve for x
    x = 55,762,186,572,913.02/7,128,001.40
  6. Step 6: Final answer
    x = 7,822,976.38

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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.