Home / 7,249,074.86-10,003,467.20-3,985,866.74

Finding the Fourth Proportional to 7,249,074.86, 10,003,467.20 and 3,985,866.74

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Solution

The fourth proportional to 7,249,074.86, 10,003,467.20 and 3,985,866.74 is: 5,500,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,074.86 : 10,003,467.20 = 3,985,866.74 : x
  2. Step 2: Convert to fraction form
    7,249,074.86/10,003,467.20 = 3,985,866.74/x
  3. Step 3: Cross multiply
    7,249,074.86x = 10,003,467.20 × 3,985,866.74
  4. Step 4: Simplify right side
    7,249,074.86x = 39,872,487,197,160.93
  5. Step 5: Solve for x
    x = 39,872,487,197,160.93/7,249,074.86
  6. Step 6: Final answer
    x = 5,500,355.28

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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.