Home / 21,038,991,586.73-31,608,833,378.03-13,490,565,348.14

Finding the Fourth Proportional to 21,038,991,586.73, 31,608,833,378.03 and 13,490,565,348.14

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Solution

The fourth proportional to 21,038,991,586.73, 31,608,833,378.03 and 13,490,565,348.14 is: 20,268,130,746.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,991,586.73 : 31,608,833,378.03 = 13,490,565,348.14 : x
  2. Step 2: Convert to fraction form
    21,038,991,586.73/31,608,833,378.03 = 13,490,565,348.14/x
  3. Step 3: Cross multiply
    21,038,991,586.73x = 31,608,833,378.03 × 13,490,565,348.14
  4. Step 4: Simplify right side
    21,038,991,586.73x = 426,421,032,264,715,075,584
  5. Step 5: Solve for x
    x = 426,421,032,264,715,075,584/21,038,991,586.73
  6. Step 6: Final answer
    x = 20,268,130,746.99

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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.