Home / 28,585,240.86-39,447,881.48-15,532,500

Finding the Fourth Proportional to 28,585,240.86, 39,447,881.48 and 15,532,500

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Solution

The fourth proportional to 28,585,240.86, 39,447,881.48 and 15,532,500 is: 21,434,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,240.86 : 39,447,881.48 = 15,532,500 : x
  2. Step 2: Convert to fraction form
    28,585,240.86/39,447,881.48 = 15,532,500/x
  3. Step 3: Cross multiply
    28,585,240.86x = 39,447,881.48 × 15,532,500
  4. Step 4: Simplify right side
    28,585,240.86x = 612,724,219,088,100
  5. Step 5: Solve for x
    x = 612,724,219,088,100/28,585,240.86
  6. Step 6: Final answer
    x = 21,434,985.35

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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.