Home / 14,380,605.60-21,570,908.40-13,078,903.20

Finding the Fourth Proportional to 14,380,605.60, 21,570,908.40 and 13,078,903.20

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Solution

The fourth proportional to 14,380,605.60, 21,570,908.40 and 13,078,903.20 is: 19,618,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380,605.60 : 21,570,908.40 = 13,078,903.20 : x
  2. Step 2: Convert to fraction form
    14,380,605.60/21,570,908.40 = 13,078,903.20/x
  3. Step 3: Cross multiply
    14,380,605.60x = 21,570,908.40 × 13,078,903.20
  4. Step 4: Simplify right side
    14,380,605.60x = 282,123,822,899,666.88
  5. Step 5: Solve for x
    x = 282,123,822,899,666.88/14,380,605.60
  6. Step 6: Final answer
    x = 19,618,354.80

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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.