Home / 7,249,650.84-10,005,155.64-3,987,040.50

Finding the Fourth Proportional to 7,249,650.84, 10,005,155.64 and 3,987,040.50

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Solution

The fourth proportional to 7,249,650.84, 10,005,155.64 and 3,987,040.50 is: 5,502,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249,650.84 : 10,005,155.64 = 3,987,040.50 : x
  2. Step 2: Convert to fraction form
    7,249,650.84/10,005,155.64 = 3,987,040.50/x
  3. Step 3: Cross multiply
    7,249,650.84x = 10,005,155.64 × 3,987,040.50
  4. Step 4: Simplify right side
    7,249,650.84x = 39,890,960,745,483.42
  5. Step 5: Solve for x
    x = 39,890,960,745,483.42/7,249,650.84
  6. Step 6: Final answer
    x = 5,502,466.48

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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.