Home / 28,964,831.75-39,971,275.50-15,733,888.40

Finding the Fourth Proportional to 28,964,831.75, 39,971,275.50 and 15,733,888.40

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Solution

The fourth proportional to 28,964,831.75, 39,971,275.50 and 15,733,888.40 is: 21,712,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,831.75 : 39,971,275.50 = 15,733,888.40 : x
  2. Step 2: Convert to fraction form
    28,964,831.75/39,971,275.50 = 15,733,888.40/x
  3. Step 3: Cross multiply
    28,964,831.75x = 39,971,275.50 × 15,733,888.40
  4. Step 4: Simplify right side
    28,964,831.75x = 628,903,587,922,654.25
  5. Step 5: Solve for x
    x = 628,903,587,922,654.25/28,964,831.75
  6. Step 6: Final answer
    x = 21,712,661.53

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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.