Home / 35,979,678.56-53,977,397.52-10,421,729.12

Finding the Fourth Proportional to 35,979,678.56, 53,977,397.52 and 10,421,729.12

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Solution

The fourth proportional to 35,979,678.56, 53,977,397.52 and 10,421,729.12 is: 15,634,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979,678.56 : 53,977,397.52 = 10,421,729.12 : x
  2. Step 2: Convert to fraction form
    35,979,678.56/53,977,397.52 = 10,421,729.12/x
  3. Step 3: Cross multiply
    35,979,678.56x = 53,977,397.52 × 10,421,729.12
  4. Step 4: Simplify right side
    35,979,678.56x = 562,537,815,555,999.75
  5. Step 5: Solve for x
    x = 562,537,815,555,999.75/35,979,678.56
  6. Step 6: Final answer
    x = 15,634,876.08

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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.