Home / 7,640,108.60-10,547,707.64-5,065,276.95

Finding the Fourth Proportional to 7,640,108.60, 10,547,707.64 and 5,065,276.95

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Solution

The fourth proportional to 7,640,108.60, 10,547,707.64 and 5,065,276.95 is: 6,992,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,108.60 : 10,547,707.64 = 5,065,276.95 : x
  2. Step 2: Convert to fraction form
    7,640,108.60/10,547,707.64 = 5,065,276.95/x
  3. Step 3: Cross multiply
    7,640,108.60x = 10,547,707.64 × 5,065,276.95
  4. Step 4: Simplify right side
    7,640,108.60x = 53,427,060,358,904.52
  5. Step 5: Solve for x
    x = 53,427,060,358,904.52/7,640,108.60
  6. Step 6: Final answer
    x = 6,992,971.33

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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.