Home / 7,249,065.47-10,003,454.28-3,985,857.35

Finding the Fourth Proportional to 7,249,065.47, 10,003,454.28 and 3,985,857.35

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Solution

The fourth proportional to 7,249,065.47, 10,003,454.28 and 3,985,857.35 is: 5,500,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,065.47 : 10,003,454.28 = 3,985,857.35 : x
  2. Step 2: Convert to fraction form
    7,249,065.47/10,003,454.28 = 3,985,857.35/x
  3. Step 3: Cross multiply
    7,249,065.47x = 10,003,454.28 × 3,985,857.35
  4. Step 4: Simplify right side
    7,249,065.47x = 39,872,341,754,822.63
  5. Step 5: Solve for x
    x = 39,872,341,754,822.63/7,249,065.47
  6. Step 6: Final answer
    x = 5,500,342.34

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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.