Home / 28,300,453.64-39,054,758.28-16,077,981.32

Finding the Fourth Proportional to 28,300,453.64, 39,054,758.28 and 16,077,981.32

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Solution

The fourth proportional to 28,300,453.64, 39,054,758.28 and 16,077,981.32 is: 22,187,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300,453.64 : 39,054,758.28 = 16,077,981.32 : x
  2. Step 2: Convert to fraction form
    28,300,453.64/39,054,758.28 = 16,077,981.32/x
  3. Step 3: Cross multiply
    28,300,453.64x = 39,054,758.28 × 16,077,981.32
  4. Step 4: Simplify right side
    28,300,453.64x = 627,921,674,082,955.38
  5. Step 5: Solve for x
    x = 627,921,674,082,955.38/28,300,453.64
  6. Step 6: Final answer
    x = 22,187,689.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.