Home / 10,458,045.90-15,718,561.65-9,072,362.70

Finding the Fourth Proportional to 10,458,045.90, 15,718,561.65 and 9,072,362.70

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Solution

The fourth proportional to 10,458,045.90, 15,718,561.65 and 9,072,362.70 is: 13,635,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458,045.90 : 15,718,561.65 = 9,072,362.70 : x
  2. Step 2: Convert to fraction form
    10,458,045.90/15,718,561.65 = 9,072,362.70/x
  3. Step 3: Cross multiply
    10,458,045.90x = 15,718,561.65 × 9,072,362.70
  4. Step 4: Simplify right side
    10,458,045.90x = 142,604,492,411,110.44
  5. Step 5: Solve for x
    x = 142,604,492,411,110.44/10,458,045.90
  6. Step 6: Final answer
    x = 13,635,864.08

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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.