Home / 19,249,536.80-28,874,305.20-6,465,792.80

Finding the Fourth Proportional to 19,249,536.80, 28,874,305.20 and 6,465,792.80

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Solution

The fourth proportional to 19,249,536.80, 28,874,305.20 and 6,465,792.80 is: 9,698,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,536.80 : 28,874,305.20 = 6,465,792.80 : x
  2. Step 2: Convert to fraction form
    19,249,536.80/28,874,305.20 = 6,465,792.80/x
  3. Step 3: Cross multiply
    19,249,536.80x = 28,874,305.20 × 6,465,792.80
  4. Step 4: Simplify right side
    19,249,536.80x = 186,695,274,667,162.56
  5. Step 5: Solve for x
    x = 186,695,274,667,162.56/19,249,536.80
  6. Step 6: Final answer
    x = 9,698,689.20

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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.