Home / 14,953,209.72-20,636,643.72-8,427,281.16

Finding the Fourth Proportional to 14,953,209.72, 20,636,643.72 and 8,427,281.16

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Solution

The fourth proportional to 14,953,209.72, 20,636,643.72 and 8,427,281.16 is: 11,630,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953,209.72 : 20,636,643.72 = 8,427,281.16 : x
  2. Step 2: Convert to fraction form
    14,953,209.72/20,636,643.72 = 8,427,281.16/x
  3. Step 3: Cross multiply
    14,953,209.72x = 20,636,643.72 × 8,427,281.16
  4. Step 4: Simplify right side
    14,953,209.72x = 173,910,798,827,188.31
  5. Step 5: Solve for x
    x = 173,910,798,827,188.31/14,953,209.72
  6. Step 6: Final answer
    x = 11,630,332.36

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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.