Home / 10,636,700.68-15,960,033.74-5,242,410.52

Finding the Fourth Proportional to 10,636,700.68, 15,960,033.74 and 5,242,410.52

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Solution

The fourth proportional to 10,636,700.68, 15,960,033.74 and 5,242,410.52 is: 7,866,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636,700.68 : 15,960,033.74 = 5,242,410.52 : x
  2. Step 2: Convert to fraction form
    10,636,700.68/15,960,033.74 = 5,242,410.52/x
  3. Step 3: Cross multiply
    10,636,700.68x = 15,960,033.74 × 5,242,410.52
  4. Step 4: Simplify right side
    10,636,700.68x = 83,669,048,778,130.94
  5. Step 5: Solve for x
    x = 83,669,048,778,130.94/10,636,700.68
  6. Step 6: Final answer
    x = 7,866,071.57

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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.