Home / 19,157,718.30-28,736,577.45-7,792,316.70

Finding the Fourth Proportional to 19,157,718.30, 28,736,577.45 and 7,792,316.70

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Solution

The fourth proportional to 19,157,718.30, 28,736,577.45 and 7,792,316.70 is: 11,688,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,718.30 : 28,736,577.45 = 7,792,316.70 : x
  2. Step 2: Convert to fraction form
    19,157,718.30/28,736,577.45 = 7,792,316.70/x
  3. Step 3: Cross multiply
    19,157,718.30x = 28,736,577.45 × 7,792,316.70
  4. Step 4: Simplify right side
    19,157,718.30x = 223,924,512,364,478.41
  5. Step 5: Solve for x
    x = 223,924,512,364,478.41/19,157,718.30
  6. Step 6: Final answer
    x = 11,688,475.05

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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.