Home / 13,291,298.70-19,936,948.05-9,932,066.70

Finding the Fourth Proportional to 13,291,298.70, 19,936,948.05 and 9,932,066.70

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Solution

The fourth proportional to 13,291,298.70, 19,936,948.05 and 9,932,066.70 is: 14,898,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,298.70 : 19,936,948.05 = 9,932,066.70 : x
  2. Step 2: Convert to fraction form
    13,291,298.70/19,936,948.05 = 9,932,066.70/x
  3. Step 3: Cross multiply
    13,291,298.70x = 19,936,948.05 × 9,932,066.70
  4. Step 4: Simplify right side
    13,291,298.70x = 198,015,097,827,034.94
  5. Step 5: Solve for x
    x = 198,015,097,827,034.94/13,291,298.70
  6. Step 6: Final answer
    x = 14,898,100.05

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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.