Home / 28,355,903.76-39,125,985.48-15,964,070.16

Finding the Fourth Proportional to 28,355,903.76, 39,125,985.48 and 15,964,070.16

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Solution

The fourth proportional to 28,355,903.76, 39,125,985.48 and 15,964,070.16 is: 22,027,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355,903.76 : 39,125,985.48 = 15,964,070.16 : x
  2. Step 2: Convert to fraction form
    28,355,903.76/39,125,985.48 = 15,964,070.16/x
  3. Step 3: Cross multiply
    28,355,903.76x = 39,125,985.48 × 15,964,070.16
  4. Step 4: Simplify right side
    28,355,903.76x = 624,609,977,281,861.25
  5. Step 5: Solve for x
    x = 624,609,977,281,861.25/28,355,903.76
  6. Step 6: Final answer
    x = 22,027,510.83

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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.