Home / 20,160,051.70-30,240,077.55-18,406,296.40

Finding the Fourth Proportional to 20,160,051.70, 30,240,077.55 and 18,406,296.40

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Solution

The fourth proportional to 20,160,051.70, 30,240,077.55 and 18,406,296.40 is: 27,609,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,051.70 : 30,240,077.55 = 18,406,296.40 : x
  2. Step 2: Convert to fraction form
    20,160,051.70/30,240,077.55 = 18,406,296.40/x
  3. Step 3: Cross multiply
    20,160,051.70x = 30,240,077.55 × 18,406,296.40
  4. Step 4: Simplify right side
    20,160,051.70x = 556,607,830,544,285.81
  5. Step 5: Solve for x
    x = 556,607,830,544,285.81/20,160,051.70
  6. Step 6: Final answer
    x = 27,609,444.60

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1.5x scale

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.