Home / 19,113,602.40-28,670,403.60-5,650,430.40

Finding the Fourth Proportional to 19,113,602.40, 28,670,403.60 and 5,650,430.40

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Solution

The fourth proportional to 19,113,602.40, 28,670,403.60 and 5,650,430.40 is: 8,475,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113,602.40 : 28,670,403.60 = 5,650,430.40 : x
  2. Step 2: Convert to fraction form
    19,113,602.40/28,670,403.60 = 5,650,430.40/x
  3. Step 3: Cross multiply
    19,113,602.40x = 28,670,403.60 × 5,650,430.40
  4. Step 4: Simplify right side
    19,113,602.40x = 162,000,120,081,709.47
  5. Step 5: Solve for x
    x = 162,000,120,081,709.47/19,113,602.40
  6. Step 6: Final answer
    x = 8,475,645.60

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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.