Home / 28,849,425.09-39,812,271.09-15,618,741.45

Finding the Fourth Proportional to 28,849,425.09, 39,812,271.09 and 15,618,741.45

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Solution

The fourth proportional to 28,849,425.09, 39,812,271.09 and 15,618,741.45 is: 21,553,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849,425.09 : 39,812,271.09 = 15,618,741.45 : x
  2. Step 2: Convert to fraction form
    28,849,425.09/39,812,271.09 = 15,618,741.45/x
  3. Step 3: Cross multiply
    28,849,425.09x = 39,812,271.09 × 15,618,741.45
  4. Step 4: Simplify right side
    28,849,425.09x = 621,817,568,484,153.38
  5. Step 5: Solve for x
    x = 621,817,568,484,153.38/28,849,425.09
  6. Step 6: Final answer
    x = 21,553,898.10

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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.