Home / 7,863,928.16-10,846,630.78-5,249,113.90

Finding the Fourth Proportional to 7,863,928.16, 10,846,630.78 and 5,249,113.90

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Solution

The fourth proportional to 7,863,928.16, 10,846,630.78 and 5,249,113.90 is: 7,240,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863,928.16 : 10,846,630.78 = 5,249,113.90 : x
  2. Step 2: Convert to fraction form
    7,863,928.16/10,846,630.78 = 5,249,113.90/x
  3. Step 3: Cross multiply
    7,863,928.16x = 10,846,630.78 × 5,249,113.90
  4. Step 4: Simplify right side
    7,863,928.16x = 56,935,200,395,465.84
  5. Step 5: Solve for x
    x = 56,935,200,395,465.84/7,863,928.16
  6. Step 6: Final answer
    x = 7,240,045.84

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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.