Home / 12,223,155.69-16,866,967.59-7,066,849.41

Finding the Fourth Proportional to 12,223,155.69, 16,866,967.59 and 7,066,849.41

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Solution

The fourth proportional to 12,223,155.69, 16,866,967.59 and 7,066,849.41 is: 9,751,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223,155.69 : 16,866,967.59 = 7,066,849.41 : x
  2. Step 2: Convert to fraction form
    12,223,155.69/16,866,967.59 = 7,066,849.41/x
  3. Step 3: Cross multiply
    12,223,155.69x = 16,866,967.59 × 7,066,849.41
  4. Step 4: Simplify right side
    12,223,155.69x = 119,196,319,961,880.62
  5. Step 5: Solve for x
    x = 119,196,319,961,880.62/12,223,155.69
  6. Step 6: Final answer
    x = 9,751,681.40

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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.