Home / 27,382,634,972.86-37,788,007,603.26-15,339,730,552.54

Finding the Fourth Proportional to 27,382,634,972.86, 37,788,007,603.26 and 15,339,730,552.54

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Solution

The fourth proportional to 27,382,634,972.86, 37,788,007,603.26 and 15,339,730,552.54 is: 21,168,812,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382,634,972.86 : 37,788,007,603.26 = 15,339,730,552.54 : x
  2. Step 2: Convert to fraction form
    27,382,634,972.86/37,788,007,603.26 = 15,339,730,552.54/x
  3. Step 3: Cross multiply
    27,382,634,972.86x = 37,788,007,603.26 × 15,339,730,552.54
  4. Step 4: Simplify right side
    27,382,634,972.86x = 579,657,854,751,341,281,280
  5. Step 5: Solve for x
    x = 579,657,854,751,341,281,280/27,382,634,972.86
  6. Step 6: Final answer
    x = 21,168,812,107.60

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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.