Home / 7,723,139.86-10,658,006.49-4,285,700.74

Finding the Fourth Proportional to 7,723,139.86, 10,658,006.49 and 4,285,700.74

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Solution

The fourth proportional to 7,723,139.86, 10,658,006.49 and 4,285,700.74 is: 5,914,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723,139.86 : 10,658,006.49 = 4,285,700.74 : x
  2. Step 2: Convert to fraction form
    7,723,139.86/10,658,006.49 = 4,285,700.74/x
  3. Step 3: Cross multiply
    7,723,139.86x = 10,658,006.49 × 4,285,700.74
  4. Step 4: Simplify right side
    7,723,139.86x = 45,677,026,301,117.80
  5. Step 5: Solve for x
    x = 45,677,026,301,117.80/7,723,139.86
  6. Step 6: Final answer
    x = 5,914,307.80

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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.