Home / 14,335,985.90-19,783,651.82-7,897,457.90

Finding the Fourth Proportional to 14,335,985.90, 19,783,651.82 and 7,897,457.90

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Solution

The fourth proportional to 14,335,985.90, 19,783,651.82 and 7,897,457.90 is: 10,898,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335,985.90 : 19,783,651.82 = 7,897,457.90 : x
  2. Step 2: Convert to fraction form
    14,335,985.90/19,783,651.82 = 7,897,457.90/x
  3. Step 3: Cross multiply
    14,335,985.90x = 19,783,651.82 × 7,897,457.90
  4. Step 4: Simplify right side
    14,335,985.90x = 156,240,557,356,708.38
  5. Step 5: Solve for x
    x = 156,240,557,356,708.38/14,335,985.90
  6. Step 6: Final answer
    x = 10,898,487.10

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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.