Home / 15,622,705,088.69-21,559,316,615.58-8,486,124,482.45

Finding the Fourth Proportional to 15,622,705,088.69, 21,559,316,615.58 and 8,486,124,482.45

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Solution

The fourth proportional to 15,622,705,088.69, 21,559,316,615.58 and 8,486,124,482.45 is: 11,710,842,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622,705,088.69 : 21,559,316,615.58 = 8,486,124,482.45 : x
  2. Step 2: Convert to fraction form
    15,622,705,088.69/21,559,316,615.58 = 8,486,124,482.45/x
  3. Step 3: Cross multiply
    15,622,705,088.69x = 21,559,316,615.58 × 8,486,124,482.45
  4. Step 4: Simplify right side
    15,622,705,088.69x = 182,955,044,556,256,739,328
  5. Step 5: Solve for x
    x = 182,955,044,556,256,739,328/15,622,705,088.69
  6. Step 6: Final answer
    x = 11,710,842,873.73

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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.