Home / 15,675,681.94-21,631,246.77-8,798,835.40

Finding the Fourth Proportional to 15,675,681.94, 21,631,246.77 and 8,798,835.40

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Solution

The fourth proportional to 15,675,681.94, 21,631,246.77 and 8,798,835.40 is: 12,141,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,681.94 : 21,631,246.77 = 8,798,835.40 : x
  2. Step 2: Convert to fraction form
    15,675,681.94/21,631,246.77 = 8,798,835.40/x
  3. Step 3: Cross multiply
    15,675,681.94x = 21,631,246.77 × 8,798,835.40
  4. Step 4: Simplify right side
    15,675,681.94x = 190,329,779,826,011.66
  5. Step 5: Solve for x
    x = 190,329,779,826,011.66/15,675,681.94
  6. Step 6: Final answer
    x = 12,141,722.48

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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.