Home / 19,209,639.40-28,816,477.62-6,256,798.72

Finding the Fourth Proportional to 19,209,639.40, 28,816,477.62 and 6,256,798.72

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Solution

The fourth proportional to 19,209,639.40, 28,816,477.62 and 6,256,798.72 is: 9,385,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209,639.40 : 28,816,477.62 = 6,256,798.72 : x
  2. Step 2: Convert to fraction form
    19,209,639.40/28,816,477.62 = 6,256,798.72/x
  3. Step 3: Cross multiply
    19,209,639.40x = 28,816,477.62 × 6,256,798.72
  4. Step 4: Simplify right side
    19,209,639.40x = 180,298,900,143,642.25
  5. Step 5: Solve for x
    x = 180,298,900,143,642.25/19,209,639.40
  6. Step 6: Final answer
    x = 9,385,855.53

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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.