Home / 15,642,606,602.32-21,587,206,235.52-8,506,437,781.48

Finding the Fourth Proportional to 15,642,606,602.32, 21,587,206,235.52 and 8,506,437,781.48

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Solution

The fourth proportional to 15,642,606,602.32, 21,587,206,235.52 and 8,506,437,781.48 is: 11,739,106,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,606,602.32 : 21,587,206,235.52 = 8,506,437,781.48 : x
  2. Step 2: Convert to fraction form
    15,642,606,602.32/21,587,206,235.52 = 8,506,437,781.48/x
  3. Step 3: Cross multiply
    15,642,606,602.32x = 21,587,206,235.52 × 8,506,437,781.48
  4. Step 4: Simplify right side
    15,642,606,602.32x = 183,630,226,718,427,971,584
  5. Step 5: Solve for x
    x = 183,630,226,718,427,971,584/15,642,606,602.32
  6. Step 6: Final answer
    x = 11,739,106,619.94

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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.