Home / 19,009,875.80-28,514,813.70-8,932,179.80

Finding the Fourth Proportional to 19,009,875.80, 28,514,813.70 and 8,932,179.80

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Solution

The fourth proportional to 19,009,875.80, 28,514,813.70 and 8,932,179.80 is: 13,398,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,875.80 : 28,514,813.70 = 8,932,179.80 : x
  2. Step 2: Convert to fraction form
    19,009,875.80/28,514,813.70 = 8,932,179.80/x
  3. Step 3: Cross multiply
    19,009,875.80x = 28,514,813.70 × 8,932,179.80
  4. Step 4: Simplify right side
    19,009,875.80x = 254,699,442,931,903.28
  5. Step 5: Solve for x
    x = 254,699,442,931,903.28/19,009,875.80
  6. Step 6: Final answer
    x = 13,398,269.70

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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.