Home / 15,116,312.02-20,860,311.38-8,500,898.51

Finding the Fourth Proportional to 15,116,312.02, 20,860,311.38 and 8,500,898.51

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Solution

The fourth proportional to 15,116,312.02, 20,860,311.38 and 8,500,898.51 is: 11,731,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116,312.02 : 20,860,311.38 = 8,500,898.51 : x
  2. Step 2: Convert to fraction form
    15,116,312.02/20,860,311.38 = 8,500,898.51/x
  3. Step 3: Cross multiply
    15,116,312.02x = 20,860,311.38 × 8,500,898.51
  4. Step 4: Simplify right side
    15,116,312.02x = 177,331,390,048,859.47
  5. Step 5: Solve for x
    x = 177,331,390,048,859.47/15,116,312.02
  6. Step 6: Final answer
    x = 11,731,127.92

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1.5x scale

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.