Home / 28,514,978.56-42,755,386.69-9,075,807.86

Finding the Fourth Proportional to 28,514,978.56, 42,755,386.69 and 9,075,807.86

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Solution

The fourth proportional to 28,514,978.56, 42,755,386.69 and 9,075,807.86 is: 13,608,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,978.56 : 42,755,386.69 = 9,075,807.86 : x
  2. Step 2: Convert to fraction form
    28,514,978.56/42,755,386.69 = 9,075,807.86/x
  3. Step 3: Cross multiply
    28,514,978.56x = 42,755,386.69 × 9,075,807.86
  4. Step 4: Simplify right side
    28,514,978.56x = 388,039,674,685,329.88
  5. Step 5: Solve for x
    x = 388,039,674,685,329.88/28,514,978.56
  6. Step 6: Final answer
    x = 13,608,275.17

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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.