Home / 12,870,023.40-19,307,627.10-3,772,103.40

Finding the Fourth Proportional to 12,870,023.40, 19,307,627.10 and 3,772,103.40

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Solution

The fourth proportional to 12,870,023.40, 19,307,627.10 and 3,772,103.40 is: 5,658,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,870,023.40 : 19,307,627.10 = 3,772,103.40 : x
  2. Step 2: Convert to fraction form
    12,870,023.40/19,307,627.10 = 3,772,103.40/x
  3. Step 3: Cross multiply
    12,870,023.40x = 19,307,627.10 × 3,772,103.40
  4. Step 4: Simplify right side
    12,870,023.40x = 72,830,365,829,842.14
  5. Step 5: Solve for x
    x = 72,830,365,829,842.14/12,870,023.40
  6. Step 6: Final answer
    x = 5,658,914.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.