Home / 14,638,332.60-20,200,946.12-8,112,069.44

Finding the Fourth Proportional to 14,638,332.60, 20,200,946.12 and 8,112,069.44

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Solution

The fourth proportional to 14,638,332.60, 20,200,946.12 and 8,112,069.44 is: 11,194,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,332.60 : 20,200,946.12 = 8,112,069.44 : x
  2. Step 2: Convert to fraction form
    14,638,332.60/20,200,946.12 = 8,112,069.44/x
  3. Step 3: Cross multiply
    14,638,332.60x = 20,200,946.12 × 8,112,069.44
  4. Step 4: Simplify right side
    14,638,332.60x = 163,871,477,679,138.59
  5. Step 5: Solve for x
    x = 163,871,477,679,138.59/14,638,332.60
  6. Step 6: Final answer
    x = 11,194,681.95

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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.