Home / 20,547,336.07-28,355,253.01-11,845,467.19

Finding the Fourth Proportional to 20,547,336.07, 28,355,253.01 and 11,845,467.19

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Solution

The fourth proportional to 20,547,336.07, 28,355,253.01 and 11,845,467.19 is: 16,346,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,336.07 : 28,355,253.01 = 11,845,467.19 : x
  2. Step 2: Convert to fraction form
    20,547,336.07/28,355,253.01 = 11,845,467.19/x
  3. Step 3: Cross multiply
    20,547,336.07x = 28,355,253.01 × 11,845,467.19
  4. Step 4: Simplify right side
    20,547,336.07x = 335,881,219,194,103.75
  5. Step 5: Solve for x
    x = 335,881,219,194,103.75/20,547,336.07
  6. Step 6: Final answer
    x = 16,346,703.93

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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.