Home / 18,996,655.61-26,215,407.15-10,294,828.19

Finding the Fourth Proportional to 18,996,655.61, 26,215,407.15 and 10,294,828.19

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Solution

The fourth proportional to 18,996,655.61, 26,215,407.15 and 10,294,828.19 is: 14,206,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996,655.61 : 26,215,407.15 = 10,294,828.19 : x
  2. Step 2: Convert to fraction form
    18,996,655.61/26,215,407.15 = 10,294,828.19/x
  3. Step 3: Cross multiply
    18,996,655.61x = 26,215,407.15 × 10,294,828.19
  4. Step 4: Simplify right side
    18,996,655.61x = 269,883,112,674,142.78
  5. Step 5: Solve for x
    x = 269,883,112,674,142.78/18,996,655.61
  6. Step 6: Final answer
    x = 14,206,875.05

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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.