Home / 20,370,437.58-28,106,283.22-12,925,385.06

Finding the Fourth Proportional to 20,370,437.58, 28,106,283.22 and 12,925,385.06

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Solution

The fourth proportional to 20,370,437.58, 28,106,283.22 and 12,925,385.06 is: 17,833,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370,437.58 : 28,106,283.22 = 12,925,385.06 : x
  2. Step 2: Convert to fraction form
    20,370,437.58/28,106,283.22 = 12,925,385.06/x
  3. Step 3: Cross multiply
    20,370,437.58x = 28,106,283.22 × 12,925,385.06
  4. Step 4: Simplify right side
    20,370,437.58x = 363,284,533,051,071.81
  5. Step 5: Solve for x
    x = 363,284,533,051,071.81/20,370,437.58
  6. Step 6: Final answer
    x = 17,833,909.14

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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.