Home / 12,905,870.60-19,354,140.30-6,513,998.60

Finding the Fourth Proportional to 12,905,870.60, 19,354,140.30 and 6,513,998.60

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Solution

The fourth proportional to 12,905,870.60, 19,354,140.30 and 6,513,998.60 is: 9,768,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,870.60 : 19,354,140.30 = 6,513,998.60 : x
  2. Step 2: Convert to fraction form
    12,905,870.60/19,354,140.30 = 6,513,998.60/x
  3. Step 3: Cross multiply
    12,905,870.60x = 19,354,140.30 × 6,513,998.60
  4. Step 4: Simplify right side
    12,905,870.60x = 126,072,842,818,403.58
  5. Step 5: Solve for x
    x = 126,072,842,818,403.58/12,905,870.60
  6. Step 6: Final answer
    x = 9,768,643.03

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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.