Home / 13,145,030.70-19,684,368.45-8,632,877.10

Finding the Fourth Proportional to 13,145,030.70, 19,684,368.45 and 8,632,877.10

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Solution

The fourth proportional to 13,145,030.70, 19,684,368.45 and 8,632,877.10 is: 12,927,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,030.70 : 19,684,368.45 = 8,632,877.10 : x
  2. Step 2: Convert to fraction form
    13,145,030.70/19,684,368.45 = 8,632,877.10/x
  3. Step 3: Cross multiply
    13,145,030.70x = 19,684,368.45 × 8,632,877.10
  4. Step 4: Simplify right side
    13,145,030.70x = 169,932,733,619,967.47
  5. Step 5: Solve for x
    x = 169,932,733,619,967.47/13,145,030.70
  6. Step 6: Final answer
    x = 12,927,526.57

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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.