Home / 15,321,864,524.88-21,144,182,112.48-8,547,683,127.40

Finding the Fourth Proportional to 15,321,864,524.88, 21,144,182,112.48 and 8,547,683,127.40

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Solution

The fourth proportional to 15,321,864,524.88, 21,144,182,112.48 and 8,547,683,127.40 is: 11,795,807,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321,864,524.88 : 21,144,182,112.48 = 8,547,683,127.40 : x
  2. Step 2: Convert to fraction form
    15,321,864,524.88/21,144,182,112.48 = 8,547,683,127.40/x
  3. Step 3: Cross multiply
    15,321,864,524.88x = 21,144,182,112.48 × 8,547,683,127.40
  4. Step 4: Simplify right side
    15,321,864,524.88x = 180,733,768,685,518,159,872
  5. Step 5: Solve for x
    x = 180,733,768,685,518,159,872/15,321,864,524.88
  6. Step 6: Final answer
    x = 11,795,807,774.70

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1.5x scale

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.