Home / 7,878,203.19-10,880,888.45-5,295,399.93

Finding the Fourth Proportional to 7,878,203.19, 10,880,888.45 and 5,295,399.93

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Solution

The fourth proportional to 7,878,203.19, 10,880,888.45 and 5,295,399.93 is: 7,313,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,203.19 : 10,880,888.45 = 5,295,399.93 : x
  2. Step 2: Convert to fraction form
    7,878,203.19/10,880,888.45 = 5,295,399.93/x
  3. Step 3: Cross multiply
    7,878,203.19x = 10,880,888.45 × 5,295,399.93
  4. Step 4: Simplify right side
    7,878,203.19x = 57,618,655,909,990.80
  5. Step 5: Solve for x
    x = 57,618,655,909,990.80/7,878,203.19
  6. Step 6: Final answer
    x = 7,313,679.85

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1.5x scale

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.