Home / 18,832,690-28,249,297.40-5,369,518

Finding the Fourth Proportional to 18,832,690, 28,249,297.40 and 5,369,518

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Solution

The fourth proportional to 18,832,690, 28,249,297.40 and 5,369,518 is: 8,054,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832,690 : 28,249,297.40 = 5,369,518 : x
  2. Step 2: Convert to fraction form
    18,832,690/28,249,297.40 = 5,369,518/x
  3. Step 3: Cross multiply
    18,832,690x = 28,249,297.40 × 5,369,518
  4. Step 4: Simplify right side
    18,832,690x = 151,685,110,876,653.19
  5. Step 5: Solve for x
    x = 151,685,110,876,653.19/18,832,690
  6. Step 6: Final answer
    x = 8,054,351.81

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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.