Home / 13,268,688.77-18,316,440.29-8,920,297.13

Finding the Fourth Proportional to 13,268,688.77, 18,316,440.29 and 8,920,297.13

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Solution

The fourth proportional to 13,268,688.77, 18,316,440.29 and 8,920,297.13 is: 12,313,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,688.77 : 18,316,440.29 = 8,920,297.13 : x
  2. Step 2: Convert to fraction form
    13,268,688.77/18,316,440.29 = 8,920,297.13/x
  3. Step 3: Cross multiply
    13,268,688.77x = 18,316,440.29 × 8,920,297.13
  4. Step 4: Simplify right side
    13,268,688.77x = 163,388,089,681,421.91
  5. Step 5: Solve for x
    x = 163,388,089,681,421.91/13,268,688.77
  6. Step 6: Final answer
    x = 12,313,808.28

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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.