Home / 15,838,210.81-21,856,731.10-8,594,866.81

Finding the Fourth Proportional to 15,838,210.81, 21,856,731.10 and 8,594,866.81

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Solution

The fourth proportional to 15,838,210.81, 21,856,731.10 and 8,594,866.81 is: 11,860,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838,210.81 : 21,856,731.10 = 8,594,866.81 : x
  2. Step 2: Convert to fraction form
    15,838,210.81/21,856,731.10 = 8,594,866.81/x
  3. Step 3: Cross multiply
    15,838,210.81x = 21,856,731.10 × 8,594,866.81
  4. Step 4: Simplify right side
    15,838,210.81x = 187,855,692,706,484.81
  5. Step 5: Solve for x
    x = 187,855,692,706,484.81/15,838,210.81
  6. Step 6: Final answer
    x = 11,860,916.30

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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.