Home / 9,980,151.18-13,769,225.64-8,141,430.96

Finding the Fourth Proportional to 9,980,151.18, 13,769,225.64 and 8,141,430.96

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Solution

The fourth proportional to 9,980,151.18, 13,769,225.64 and 8,141,430.96 is: 11,232,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,151.18 : 13,769,225.64 = 8,141,430.96 : x
  2. Step 2: Convert to fraction form
    9,980,151.18/13,769,225.64 = 8,141,430.96/x
  3. Step 3: Cross multiply
    9,980,151.18x = 13,769,225.64 × 8,141,430.96
  4. Step 4: Simplify right side
    9,980,151.18x = 112,101,199,920,721.81
  5. Step 5: Solve for x
    x = 112,101,199,920,721.81/9,980,151.18
  6. Step 6: Final answer
    x = 11,232,415.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.