Home / 18,413,781.60-25,412,532-10,155,459.48

Finding the Fourth Proportional to 18,413,781.60, 25,412,532 and 10,155,459.48

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Solution

The fourth proportional to 18,413,781.60, 25,412,532 and 10,155,459.48 is: 14,015,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,781.60 : 25,412,532 = 10,155,459.48 : x
  2. Step 2: Convert to fraction form
    18,413,781.60/25,412,532 = 10,155,459.48/x
  3. Step 3: Cross multiply
    18,413,781.60x = 25,412,532 × 10,155,459.48
  4. Step 4: Simplify right side
    18,413,781.60x = 258,075,939,010,203.38
  5. Step 5: Solve for x
    x = 258,075,939,010,203.38/18,413,781.60
  6. Step 6: Final answer
    x = 14,015,368.74

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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.