Home / 14,271,827.38-19,695,131.90-7,745,455.28

Finding the Fourth Proportional to 14,271,827.38, 19,695,131.90 and 7,745,455.28

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Solution

The fourth proportional to 14,271,827.38, 19,695,131.90 and 7,745,455.28 is: 10,688,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271,827.38 : 19,695,131.90 = 7,745,455.28 : x
  2. Step 2: Convert to fraction form
    14,271,827.38/19,695,131.90 = 7,745,455.28/x
  3. Step 3: Cross multiply
    14,271,827.38x = 19,695,131.90 × 7,745,455.28
  4. Step 4: Simplify right side
    14,271,827.38x = 152,547,763,365,151.44
  5. Step 5: Solve for x
    x = 152,547,763,365,151.44/14,271,827.38
  6. Step 6: Final answer
    x = 10,688,733.78

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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.