Home / 13,268,809.53-18,316,606.41-8,920,417.50

Finding the Fourth Proportional to 13,268,809.53, 18,316,606.41 and 8,920,417.50

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Solution

The fourth proportional to 13,268,809.53, 18,316,606.41 and 8,920,417.50 is: 12,313,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,809.53 : 18,316,606.41 = 8,920,417.50 : x
  2. Step 2: Convert to fraction form
    13,268,809.53/18,316,606.41 = 8,920,417.50/x
  3. Step 3: Cross multiply
    13,268,809.53x = 18,316,606.41 × 8,920,417.50
  4. Step 4: Simplify right side
    13,268,809.53x = 163,391,776,360,376.19
  5. Step 5: Solve for x
    x = 163,391,776,360,376.19/13,268,809.53
  6. Step 6: Final answer
    x = 12,313,974.06

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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.