Home / 6,865,622.80-10,298,434.20-5,276,208.40

Finding the Fourth Proportional to 6,865,622.80, 10,298,434.20 and 5,276,208.40

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Solution

The fourth proportional to 6,865,622.80, 10,298,434.20 and 5,276,208.40 is: 7,914,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865,622.80 : 10,298,434.20 = 5,276,208.40 : x
  2. Step 2: Convert to fraction form
    6,865,622.80/10,298,434.20 = 5,276,208.40/x
  3. Step 3: Cross multiply
    6,865,622.80x = 10,298,434.20 × 5,276,208.40
  4. Step 4: Simplify right side
    6,865,622.80x = 54,336,685,032,887.28
  5. Step 5: Solve for x
    x = 54,336,685,032,887.28/6,865,622.80
  6. Step 6: Final answer
    x = 7,914,312.60

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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.