Home / 13,173,103.95-18,180,784.97-7,590,281.22

Finding the Fourth Proportional to 13,173,103.95, 18,180,784.97 and 7,590,281.22

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Solution

The fourth proportional to 13,173,103.95, 18,180,784.97 and 7,590,281.22 is: 10,475,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,103.95 : 18,180,784.97 = 7,590,281.22 : x
  2. Step 2: Convert to fraction form
    13,173,103.95/18,180,784.97 = 7,590,281.22/x
  3. Step 3: Cross multiply
    13,173,103.95x = 18,180,784.97 × 7,590,281.22
  4. Step 4: Simplify right side
    13,173,103.95x = 137,997,270,780,925.66
  5. Step 5: Solve for x
    x = 137,997,270,780,925.66/13,173,103.95
  6. Step 6: Final answer
    x = 10,475,683.73

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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.