Home / 13,210,085.60-18,222,176.02-8,307,531.44

Finding the Fourth Proportional to 13,210,085.60, 18,222,176.02 and 8,307,531.44

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Solution

The fourth proportional to 13,210,085.60, 18,222,176.02 and 8,307,531.44 is: 11,459,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,085.60 : 18,222,176.02 = 8,307,531.44 : x
  2. Step 2: Convert to fraction form
    13,210,085.60/18,222,176.02 = 8,307,531.44/x
  3. Step 3: Cross multiply
    13,210,085.60x = 18,222,176.02 × 8,307,531.44
  4. Step 4: Simplify right side
    13,210,085.60x = 151,381,300,191,364.06
  5. Step 5: Solve for x
    x = 151,381,300,191,364.06/13,210,085.60
  6. Step 6: Final answer
    x = 11,459,524.55

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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.