Home / 10,915,032.80-16,362,051.60-8,484,838.40

Finding the Fourth Proportional to 10,915,032.80, 16,362,051.60 and 8,484,838.40

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Solution

The fourth proportional to 10,915,032.80, 16,362,051.60 and 8,484,838.40 is: 12,719,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,032.80 : 16,362,051.60 = 8,484,838.40 : x
  2. Step 2: Convert to fraction form
    10,915,032.80/16,362,051.60 = 8,484,838.40/x
  3. Step 3: Cross multiply
    10,915,032.80x = 16,362,051.60 × 8,484,838.40
  4. Step 4: Simplify right side
    10,915,032.80x = 138,829,363,718,461.44
  5. Step 5: Solve for x
    x = 138,829,363,718,461.44/10,915,032.80
  6. Step 6: Final answer
    x = 12,719,097.25

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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.