Home / 8,417,919.79-11,615,862.43-6,213,955.15

Finding the Fourth Proportional to 8,417,919.79, 11,615,862.43 and 6,213,955.15

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Solution

The fourth proportional to 8,417,919.79, 11,615,862.43 and 6,213,955.15 is: 8,574,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417,919.79 : 11,615,862.43 = 6,213,955.15 : x
  2. Step 2: Convert to fraction form
    8,417,919.79/11,615,862.43 = 6,213,955.15/x
  3. Step 3: Cross multiply
    8,417,919.79x = 11,615,862.43 × 6,213,955.15
  4. Step 4: Simplify right side
    8,417,919.79x = 72,180,448,168,590.02
  5. Step 5: Solve for x
    x = 72,180,448,168,590.02/8,417,919.79
  6. Step 6: Final answer
    x = 8,574,618.19

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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.