Home / 8,710,243-12,020,808.64-5,225,712.91

Finding the Fourth Proportional to 8,710,243, 12,020,808.64 and 5,225,712.91

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Solution

The fourth proportional to 8,710,243, 12,020,808.64 and 5,225,712.91 is: 7,211,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710,243 : 12,020,808.64 = 5,225,712.91 : x
  2. Step 2: Convert to fraction form
    8,710,243/12,020,808.64 = 5,225,712.91/x
  3. Step 3: Cross multiply
    8,710,243x = 12,020,808.64 × 5,225,712.91
  4. Step 4: Simplify right side
    8,710,243x = 62,817,294,898,687.55
  5. Step 5: Solve for x
    x = 62,817,294,898,687.55/8,710,243
  6. Step 6: Final answer
    x = 7,211,887.76

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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.