Home / 12,953,359.74-17,868,142.80-8,369,681.10

Finding the Fourth Proportional to 12,953,359.74, 17,868,142.80 and 8,369,681.10

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Solution

The fourth proportional to 12,953,359.74, 17,868,142.80 and 8,369,681.10 is: 11,545,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953,359.74 : 17,868,142.80 = 8,369,681.10 : x
  2. Step 2: Convert to fraction form
    12,953,359.74/17,868,142.80 = 8,369,681.10/x
  3. Step 3: Cross multiply
    12,953,359.74x = 17,868,142.80 × 8,369,681.10
  4. Step 4: Simplify right side
    12,953,359.74x = 149,550,657,085,261.09
  5. Step 5: Solve for x
    x = 149,550,657,085,261.09/12,953,359.74
  6. Step 6: Final answer
    x = 11,545,317.98

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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.