Home / 7,918,643-10,927,610.70-4,655,824.76

Finding the Fourth Proportional to 7,918,643, 10,927,610.70 and 4,655,824.76

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Solution

The fourth proportional to 7,918,643, 10,927,610.70 and 4,655,824.76 is: 6,424,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,643 : 10,927,610.70 = 4,655,824.76 : x
  2. Step 2: Convert to fraction form
    7,918,643/10,927,610.70 = 4,655,824.76/x
  3. Step 3: Cross multiply
    7,918,643x = 10,927,610.70 × 4,655,824.76
  4. Step 4: Simplify right side
    7,918,643x = 50,877,040,464,700.93
  5. Step 5: Solve for x
    x = 50,877,040,464,700.93/7,918,643
  6. Step 6: Final answer
    x = 6,424,969.59

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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.