Home / 14,268,534.60-21,402,801.90-13,176,784.20

Finding the Fourth Proportional to 14,268,534.60, 21,402,801.90 and 13,176,784.20

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Solution

The fourth proportional to 14,268,534.60, 21,402,801.90 and 13,176,784.20 is: 19,765,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268,534.60 : 21,402,801.90 = 13,176,784.20 : x
  2. Step 2: Convert to fraction form
    14,268,534.60/21,402,801.90 = 13,176,784.20/x
  3. Step 3: Cross multiply
    14,268,534.60x = 21,402,801.90 × 13,176,784.20
  4. Step 4: Simplify right side
    14,268,534.60x = 282,020,101,911,649.94
  5. Step 5: Solve for x
    x = 282,020,101,911,649.94/14,268,534.60
  6. Step 6: Final answer
    x = 19,765,176.30

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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.