Home / 9,888,357.40-14,832,536.10-8,187,746.20

Finding the Fourth Proportional to 9,888,357.40, 14,832,536.10 and 8,187,746.20

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Solution

The fourth proportional to 9,888,357.40, 14,832,536.10 and 8,187,746.20 is: 12,281,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888,357.40 : 14,832,536.10 = 8,187,746.20 : x
  2. Step 2: Convert to fraction form
    9,888,357.40/14,832,536.10 = 8,187,746.20/x
  3. Step 3: Cross multiply
    9,888,357.40x = 14,832,536.10 × 8,187,746.20
  4. Step 4: Simplify right side
    9,888,357.40x = 121,445,041,089,137.81
  5. Step 5: Solve for x
    x = 121,445,041,089,137.81/9,888,357.40
  6. Step 6: Final answer
    x = 12,281,619.30

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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.