Home / 28,812,888.83-39,762,099.28-15,759,860.74

Finding the Fourth Proportional to 28,812,888.83, 39,762,099.28 and 15,759,860.74

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Solution

The fourth proportional to 28,812,888.83, 39,762,099.28 and 15,759,860.74 is: 21,748,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812,888.83 : 39,762,099.28 = 15,759,860.74 : x
  2. Step 2: Convert to fraction form
    28,812,888.83/39,762,099.28 = 15,759,860.74/x
  3. Step 3: Cross multiply
    28,812,888.83x = 39,762,099.28 × 15,759,860.74
  4. Step 4: Simplify right side
    28,812,888.83x = 626,645,147,303,148.88
  5. Step 5: Solve for x
    x = 626,645,147,303,148.88/28,812,888.83
  6. Step 6: Final answer
    x = 21,748,778.85

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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.