Home / 28,180,296.15-42,209,709.62-19,032,088.71

Finding the Fourth Proportional to 28,180,296.15, 42,209,709.62 and 19,032,088.71

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Solution

The fourth proportional to 28,180,296.15, 42,209,709.62 and 19,032,088.71 is: 28,507,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,296.15 : 42,209,709.62 = 19,032,088.71 : x
  2. Step 2: Convert to fraction form
    28,180,296.15/42,209,709.62 = 19,032,088.71/x
  3. Step 3: Cross multiply
    28,180,296.15x = 42,209,709.62 × 19,032,088.71
  4. Step 4: Simplify right side
    28,180,296.15x = 803,338,937,816,020
  5. Step 5: Solve for x
    x = 803,338,937,816,020/28,180,296.15
  6. Step 6: Final answer
    x = 28,507,114.81

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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.