Home / 20,774,547.36-31,160,886.08-13,953,994.24

Finding the Fourth Proportional to 20,774,547.36, 31,160,886.08 and 13,953,994.24

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Solution

The fourth proportional to 20,774,547.36, 31,160,886.08 and 13,953,994.24 is: 20,930,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,547.36 : 31,160,886.08 = 13,953,994.24 : x
  2. Step 2: Convert to fraction form
    20,774,547.36/31,160,886.08 = 13,953,994.24/x
  3. Step 3: Cross multiply
    20,774,547.36x = 31,160,886.08 × 13,953,994.24
  4. Step 4: Simplify right side
    20,774,547.36x = 434,818,824,873,616.19
  5. Step 5: Solve for x
    x = 434,818,824,873,616.19/20,774,547.36
  6. Step 6: Final answer
    x = 20,930,363.36

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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.