Home / 19,811,111.76-29,713,602.60-8,140,666.32

Finding the Fourth Proportional to 19,811,111.76, 29,713,602.60 and 8,140,666.32

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Solution

The fourth proportional to 19,811,111.76, 29,713,602.60 and 8,140,666.32 is: 12,209,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,111.76 : 29,713,602.60 = 8,140,666.32 : x
  2. Step 2: Convert to fraction form
    19,811,111.76/29,713,602.60 = 8,140,666.32/x
  3. Step 3: Cross multiply
    19,811,111.76x = 29,713,602.60 × 8,140,666.32
  4. Step 4: Simplify right side
    19,811,111.76x = 241,888,523,931,684.44
  5. Step 5: Solve for x
    x = 241,888,523,931,684.44/19,811,111.76
  6. Step 6: Final answer
    x = 12,209,740.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.