Home / 10,478,032.80-15,685,556.40-6,216,007.20

Finding the Fourth Proportional to 10,478,032.80, 15,685,556.40 and 6,216,007.20

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Solution

The fourth proportional to 10,478,032.80, 15,685,556.40 and 6,216,007.20 is: 9,305,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,032.80 : 15,685,556.40 = 6,216,007.20 : x
  2. Step 2: Convert to fraction form
    10,478,032.80/15,685,556.40 = 6,216,007.20/x
  3. Step 3: Cross multiply
    10,478,032.80x = 15,685,556.40 × 6,216,007.20
  4. Step 4: Simplify right side
    10,478,032.80x = 97,501,531,518,406.08
  5. Step 5: Solve for x
    x = 97,501,531,518,406.08/10,478,032.80
  6. Step 6: Final answer
    x = 9,305,327.95

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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.