Home / 8,609,071.07-11,880,278.52-4,688,741.21

Finding the Fourth Proportional to 8,609,071.07, 11,880,278.52 and 4,688,741.21

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Solution

The fourth proportional to 8,609,071.07, 11,880,278.52 and 4,688,741.21 is: 6,470,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,071.07 : 11,880,278.52 = 4,688,741.21 : x
  2. Step 2: Convert to fraction form
    8,609,071.07/11,880,278.52 = 4,688,741.21/x
  3. Step 3: Cross multiply
    8,609,071.07x = 11,880,278.52 × 4,688,741.21
  4. Step 4: Simplify right side
    8,609,071.07x = 55,703,551,423,600.41
  5. Step 5: Solve for x
    x = 55,703,551,423,600.41/8,609,071.07
  6. Step 6: Final answer
    x = 6,470,332.40

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Double scale
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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.