Home / 15,779,002,923.90-21,775,035,774.51-8,545,106,554.38

Finding the Fourth Proportional to 15,779,002,923.90, 21,775,035,774.51 and 8,545,106,554.38

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Solution

The fourth proportional to 15,779,002,923.90, 21,775,035,774.51 and 8,545,106,554.38 is: 11,792,253,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,002,923.90 : 21,775,035,774.51 = 8,545,106,554.38 : x
  2. Step 2: Convert to fraction form
    15,779,002,923.90/21,775,035,774.51 = 8,545,106,554.38/x
  3. Step 3: Cross multiply
    15,779,002,923.90x = 21,775,035,774.51 × 8,545,106,554.38
  4. Step 4: Simplify right side
    15,779,002,923.90x = 186,070,000,918,624,370,688
  5. Step 5: Solve for x
    x = 186,070,000,918,624,370,688/15,779,002,923.90
  6. Step 6: Final answer
    x = 11,792,253,402.58

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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.