Home / 21,164,484,347.70-31,746,812,111.01-8,573,580,900.06

Finding the Fourth Proportional to 21,164,484,347.70, 31,746,812,111.01 and 8,573,580,900.06

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Solution

The fourth proportional to 21,164,484,347.70, 31,746,812,111.01 and 8,573,580,900.06 is: 12,860,406,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164,484,347.70 : 31,746,812,111.01 = 8,573,580,900.06 : x
  2. Step 2: Convert to fraction form
    21,164,484,347.70/31,746,812,111.01 = 8,573,580,900.06/x
  3. Step 3: Cross multiply
    21,164,484,347.70x = 31,746,812,111.01 × 8,573,580,900.06
  4. Step 4: Simplify right side
    21,164,484,347.70x = 272,183,861,952,748,814,336
  5. Step 5: Solve for x
    x = 272,183,861,952,748,814,336/21,164,484,347.70
  6. Step 6: Final answer
    x = 12,860,406,021.77

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1.5x scale

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.