Home / 12,888,002.60-19,315,415.10-9,881,282.60

Finding the Fourth Proportional to 12,888,002.60, 19,315,415.10 and 9,881,282.60

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Solution

The fourth proportional to 12,888,002.60, 19,315,415.10 and 9,881,282.60 is: 14,809,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,002.60 : 19,315,415.10 = 9,881,282.60 : x
  2. Step 2: Convert to fraction form
    12,888,002.60/19,315,415.10 = 9,881,282.60/x
  3. Step 3: Cross multiply
    12,888,002.60x = 19,315,415.10 × 9,881,282.60
  4. Step 4: Simplify right side
    12,888,002.60x = 190,861,075,139,407.28
  5. Step 5: Solve for x
    x = 190,861,075,139,407.28/12,888,002.60
  6. Step 6: Final answer
    x = 14,809,205.20

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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.