Home / 19,779,836.95-27,295,813.70-10,959,256.05

Finding the Fourth Proportional to 19,779,836.95, 27,295,813.70 and 10,959,256.05

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Solution

The fourth proportional to 19,779,836.95, 27,295,813.70 and 10,959,256.05 is: 15,123,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779,836.95 : 27,295,813.70 = 10,959,256.05 : x
  2. Step 2: Convert to fraction form
    19,779,836.95/27,295,813.70 = 10,959,256.05/x
  3. Step 3: Cross multiply
    19,779,836.95x = 27,295,813.70 × 10,959,256.05
  4. Step 4: Simplify right side
    19,779,836.95x = 299,141,811,472,495.12
  5. Step 5: Solve for x
    x = 299,141,811,472,495.12/19,779,836.95
  6. Step 6: Final answer
    x = 15,123,573.18

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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.