Home / 20,779,246.40-31,168,869.60-17,000,110.40

Finding the Fourth Proportional to 20,779,246.40, 31,168,869.60 and 17,000,110.40

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Solution

The fourth proportional to 20,779,246.40, 31,168,869.60 and 17,000,110.40 is: 25,500,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,246.40 : 31,168,869.60 = 17,000,110.40 : x
  2. Step 2: Convert to fraction form
    20,779,246.40/31,168,869.60 = 17,000,110.40/x
  3. Step 3: Cross multiply
    20,779,246.40x = 31,168,869.60 × 17,000,110.40
  4. Step 4: Simplify right side
    20,779,246.40x = 529,874,224,243,203.81
  5. Step 5: Solve for x
    x = 529,874,224,243,203.81/20,779,246.40
  6. Step 6: Final answer
    x = 25,500,165.60

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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.