Home / 10,197,112.80-15,295,669.20-9,346,807.20

Finding the Fourth Proportional to 10,197,112.80, 15,295,669.20 and 9,346,807.20

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Solution

The fourth proportional to 10,197,112.80, 15,295,669.20 and 9,346,807.20 is: 14,020,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197,112.80 : 15,295,669.20 = 9,346,807.20 : x
  2. Step 2: Convert to fraction form
    10,197,112.80/15,295,669.20 = 9,346,807.20/x
  3. Step 3: Cross multiply
    10,197,112.80x = 15,295,669.20 × 9,346,807.20
  4. Step 4: Simplify right side
    10,197,112.80x = 142,965,671,007,378.22
  5. Step 5: Solve for x
    x = 142,965,671,007,378.22/10,197,112.80
  6. Step 6: Final answer
    x = 14,020,210.80

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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.