Home / 28,656,282.84-39,545,501.87-15,603,510.51

Finding the Fourth Proportional to 28,656,282.84, 39,545,501.87 and 15,603,510.51

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Solution

The fourth proportional to 28,656,282.84, 39,545,501.87 and 15,603,510.51 is: 21,532,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,282.84 : 39,545,501.87 = 15,603,510.51 : x
  2. Step 2: Convert to fraction form
    28,656,282.84/39,545,501.87 = 15,603,510.51/x
  3. Step 3: Cross multiply
    28,656,282.84x = 39,545,501.87 × 15,603,510.51
  4. Step 4: Simplify right side
    28,656,282.84x = 617,048,653,973,752.12
  5. Step 5: Solve for x
    x = 617,048,653,973,752.12/28,656,282.84
  6. Step 6: Final answer
    x = 21,532,752.78

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