Home / 19,191,789.68-26,484,631.38-10,931,848.79

Finding the Fourth Proportional to 19,191,789.68, 26,484,631.38 and 10,931,848.79

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Solution

The fourth proportional to 19,191,789.68, 26,484,631.38 and 10,931,848.79 is: 15,085,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191,789.68 : 26,484,631.38 = 10,931,848.79 : x
  2. Step 2: Convert to fraction form
    19,191,789.68/26,484,631.38 = 10,931,848.79/x
  3. Step 3: Cross multiply
    19,191,789.68x = 26,484,631.38 × 10,931,848.79
  4. Step 4: Simplify right side
    19,191,789.68x = 289,525,985,372,625.88
  5. Step 5: Solve for x
    x = 289,525,985,372,625.88/19,191,789.68
  6. Step 6: Final answer
    x = 15,085,929.47

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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.