Home / 12,712,843.54-17,547,457.72-8,303,243.29

Finding the Fourth Proportional to 12,712,843.54, 17,547,457.72 and 8,303,243.29

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Solution

The fourth proportional to 12,712,843.54, 17,547,457.72 and 8,303,243.29 is: 11,460,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712,843.54 : 17,547,457.72 = 8,303,243.29 : x
  2. Step 2: Convert to fraction form
    12,712,843.54/17,547,457.72 = 8,303,243.29/x
  3. Step 3: Cross multiply
    12,712,843.54x = 17,547,457.72 × 8,303,243.29
  4. Step 4: Simplify right side
    12,712,843.54x = 145,700,810,440,895.19
  5. Step 5: Solve for x
    x = 145,700,810,440,895.19/12,712,843.54
  6. Step 6: Final answer
    x = 11,460,914.31

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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.