Home / 7,018,218.90-10,509,613.65-4,609,019.70

Finding the Fourth Proportional to 7,018,218.90, 10,509,613.65 and 4,609,019.70

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Solution

The fourth proportional to 7,018,218.90, 10,509,613.65 and 4,609,019.70 is: 6,901,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,218.90 : 10,509,613.65 = 4,609,019.70 : x
  2. Step 2: Convert to fraction form
    7,018,218.90/10,509,613.65 = 4,609,019.70/x
  3. Step 3: Cross multiply
    7,018,218.90x = 10,509,613.65 × 4,609,019.70
  4. Step 4: Simplify right side
    7,018,218.90x = 48,439,016,352,238.91
  5. Step 5: Solve for x
    x = 48,439,016,352,238.91/7,018,218.90
  6. Step 6: Final answer
    x = 6,901,895.91

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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.