Home / 19,312,557.48-26,650,900.80-10,491,780.87

Finding the Fourth Proportional to 19,312,557.48, 26,650,900.80 and 10,491,780.87

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Solution

The fourth proportional to 19,312,557.48, 26,650,900.80 and 10,491,780.87 is: 14,478,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,557.48 : 26,650,900.80 = 10,491,780.87 : x
  2. Step 2: Convert to fraction form
    19,312,557.48/26,650,900.80 = 10,491,780.87/x
  3. Step 3: Cross multiply
    19,312,557.48x = 26,650,900.80 × 10,491,780.87
  4. Step 4: Simplify right side
    19,312,557.48x = 279,615,411,181,707.69
  5. Step 5: Solve for x
    x = 279,615,411,181,707.69/19,312,557.48
  6. Step 6: Final answer
    x = 14,478,424.80

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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.