Home / 13,955,824.42-20,920,070.00-7,810,807.19

Finding the Fourth Proportional to 13,955,824.42, 20,920,070.00 and 7,810,807.19

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Solution

The fourth proportional to 13,955,824.42, 20,920,070.00 and 7,810,807.19 is: 11,708,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955,824.42 : 20,920,070.00 = 7,810,807.19 : x
  2. Step 2: Convert to fraction form
    13,955,824.42/20,920,070.00 = 7,810,807.19/x
  3. Step 3: Cross multiply
    13,955,824.42x = 20,920,070.00 × 7,810,807.19
  4. Step 4: Simplify right side
    13,955,824.42x = 163,402,633,243,130.50
  5. Step 5: Solve for x
    x = 163,402,633,243,130.50/13,955,824.42
  6. Step 6: Final answer
    x = 11,708,561.84

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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.