Home / 12,388,010.40-18,575,794.80-5,648,810.40

Finding the Fourth Proportional to 12,388,010.40, 18,575,794.80 and 5,648,810.40

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Solution

The fourth proportional to 12,388,010.40, 18,575,794.80 and 5,648,810.40 is: 8,470,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,010.40 : 18,575,794.80 = 5,648,810.40 : x
  2. Step 2: Convert to fraction form
    12,388,010.40/18,575,794.80 = 5,648,810.40/x
  3. Step 3: Cross multiply
    12,388,010.40x = 18,575,794.80 × 5,648,810.40
  4. Step 4: Simplify right side
    12,388,010.40x = 104,931,142,854,505.94
  5. Step 5: Solve for x
    x = 104,931,142,854,505.94/12,388,010.40
  6. Step 6: Final answer
    x = 8,470,378.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.