Home / 15,585,632.94-21,509,128.35-8,710,663.98

Finding the Fourth Proportional to 15,585,632.94, 21,509,128.35 and 8,710,663.98

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Solution

The fourth proportional to 15,585,632.94, 21,509,128.35 and 8,710,663.98 is: 12,021,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,632.94 : 21,509,128.35 = 8,710,663.98 : x
  2. Step 2: Convert to fraction form
    15,585,632.94/21,509,128.35 = 8,710,663.98/x
  3. Step 3: Cross multiply
    15,585,632.94x = 21,509,128.35 × 8,710,663.98
  4. Step 4: Simplify right side
    15,585,632.94x = 187,358,789,559,541.84
  5. Step 5: Solve for x
    x = 187,358,789,559,541.84/15,585,632.94
  6. Step 6: Final answer
    x = 12,021,249.97

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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.