Home / 19,885,570.30-27,445,853.73-12,446,681.77

Finding the Fourth Proportional to 19,885,570.30, 27,445,853.73 and 12,446,681.77

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Solution

The fourth proportional to 19,885,570.30, 27,445,853.73 and 12,446,681.77 is: 17,178,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,570.30 : 27,445,853.73 = 12,446,681.77 : x
  2. Step 2: Convert to fraction form
    19,885,570.30/27,445,853.73 = 12,446,681.77/x
  3. Step 3: Cross multiply
    19,885,570.30x = 27,445,853.73 × 12,446,681.77
  4. Step 4: Simplify right side
    19,885,570.30x = 341,609,807,283,277.50
  5. Step 5: Solve for x
    x = 341,609,807,283,277.50/19,885,570.30
  6. Step 6: Final answer
    x = 17,178,778.49

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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.