Home / 14,180,585.60-21,270,878.40-13,865,657.60

Finding the Fourth Proportional to 14,180,585.60, 21,270,878.40 and 13,865,657.60

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Solution

The fourth proportional to 14,180,585.60, 21,270,878.40 and 13,865,657.60 is: 20,798,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180,585.60 : 21,270,878.40 = 13,865,657.60 : x
  2. Step 2: Convert to fraction form
    14,180,585.60/21,270,878.40 = 13,865,657.60/x
  3. Step 3: Cross multiply
    14,180,585.60x = 21,270,878.40 × 13,865,657.60
  4. Step 4: Simplify right side
    14,180,585.60x = 294,934,716,745,635.81
  5. Step 5: Solve for x
    x = 294,934,716,745,635.81/14,180,585.60
  6. Step 6: Final answer
    x = 20,798,486.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.