Home / 28,562,685.55-39,416,381.40-15,509,838.49

Finding the Fourth Proportional to 28,562,685.55, 39,416,381.40 and 15,509,838.49

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Solution

The fourth proportional to 28,562,685.55, 39,416,381.40 and 15,509,838.49 is: 21,403,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562,685.55 : 39,416,381.40 = 15,509,838.49 : x
  2. Step 2: Convert to fraction form
    28,562,685.55/39,416,381.40 = 15,509,838.49/x
  3. Step 3: Cross multiply
    28,562,685.55x = 39,416,381.40 × 15,509,838.49
  4. Step 4: Simplify right side
    28,562,685.55x = 611,341,709,374,240.12
  5. Step 5: Solve for x
    x = 611,341,709,374,240.12/28,562,685.55
  6. Step 6: Final answer
    x = 21,403,509.43

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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.