Home / 15,642,606,605.82-21,587,206,240.35-8,506,437,784.98

Finding the Fourth Proportional to 15,642,606,605.82, 21,587,206,240.35 and 8,506,437,784.98

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Solution

The fourth proportional to 15,642,606,605.82, 21,587,206,240.35 and 8,506,437,784.98 is: 11,739,106,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642,606,605.82 : 21,587,206,240.35 = 8,506,437,784.98 : x
  2. Step 2: Convert to fraction form
    15,642,606,605.82/21,587,206,240.35 = 8,506,437,784.98/x
  3. Step 3: Cross multiply
    15,642,606,605.82x = 21,587,206,240.35 × 8,506,437,784.98
  4. Step 4: Simplify right side
    15,642,606,605.82x = 183,630,226,835,069,272,064
  5. Step 5: Solve for x
    x = 183,630,226,835,069,272,064/15,642,606,605.82
  6. Step 6: Final answer
    x = 11,739,106,624.77

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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.