Home / 20,428,696,862.76-28,191,588,937.02-11,041,323,038.76

Finding the Fourth Proportional to 20,428,696,862.76, 28,191,588,937.02 and 11,041,323,038.76

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Solution

The fourth proportional to 20,428,696,862.76, 28,191,588,937.02 and 11,041,323,038.76 is: 15,237,018,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,428,696,862.76 : 28,191,588,937.02 = 11,041,323,038.76 : x
  2. Step 2: Convert to fraction form
    20,428,696,862.76/28,191,588,937.02 = 11,041,323,038.76/x
  3. Step 3: Cross multiply
    20,428,696,862.76x = 28,191,588,937.02 × 11,041,323,038.76
  4. Step 4: Simplify right side
    20,428,696,862.76x = 311,272,440,429,570,490,368
  5. Step 5: Solve for x
    x = 311,272,440,429,570,490,368/20,428,696,862.76
  6. Step 6: Final answer
    x = 15,237,018,911.23

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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.