Home / 12,886,802.60-19,313,615.10-9,880,082.60

Finding the Fourth Proportional to 12,886,802.60, 19,313,615.10 and 9,880,082.60

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Solution

The fourth proportional to 12,886,802.60, 19,313,615.10 and 9,880,082.60 is: 14,807,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,802.60 : 19,313,615.10 = 9,880,082.60 : x
  2. Step 2: Convert to fraction form
    12,886,802.60/19,313,615.10 = 9,880,082.60/x
  3. Step 3: Cross multiply
    12,886,802.60x = 19,313,615.10 × 9,880,082.60
  4. Step 4: Simplify right side
    12,886,802.60x = 190,820,112,492,607.28
  5. Step 5: Solve for x
    x = 190,820,112,492,607.28/12,886,802.60
  6. Step 6: Final answer
    x = 14,807,405.56

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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.