Home / 12,313,971.84-16,991,809.02-6,806,602.83

Finding the Fourth Proportional to 12,313,971.84, 16,991,809.02 and 6,806,602.83

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Solution

The fourth proportional to 12,313,971.84, 16,991,809.02 and 6,806,602.83 is: 9,392,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,971.84 : 16,991,809.02 = 6,806,602.83 : x
  2. Step 2: Convert to fraction form
    12,313,971.84/16,991,809.02 = 6,806,602.83/x
  3. Step 3: Cross multiply
    12,313,971.84x = 16,991,809.02 × 6,806,602.83
  4. Step 4: Simplify right side
    12,313,971.84x = 115,656,495,426,070.81
  5. Step 5: Solve for x
    x = 115,656,495,426,070.81/12,313,971.84
  6. Step 6: Final answer
    x = 9,392,298.19

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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.