Home / 19,686,455.60-29,502,035.40-15,649,847.60

Finding the Fourth Proportional to 19,686,455.60, 29,502,035.40 and 15,649,847.60

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Solution

The fourth proportional to 19,686,455.60, 29,502,035.40 and 15,649,847.60 is: 23,452,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,455.60 : 29,502,035.40 = 15,649,847.60 : x
  2. Step 2: Convert to fraction form
    19,686,455.60/29,502,035.40 = 15,649,847.60/x
  3. Step 3: Cross multiply
    19,686,455.60x = 29,502,035.40 × 15,649,847.60
  4. Step 4: Simplify right side
    19,686,455.60x = 461,702,357,899,805
  5. Step 5: Solve for x
    x = 461,702,357,899,805/19,686,455.60
  6. Step 6: Final answer
    x = 23,452,792.48

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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.