Home / 30,687,526.14-42,348,185.81-16,748,981.18

Finding the Fourth Proportional to 30,687,526.14, 42,348,185.81 and 16,748,981.18

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Solution

The fourth proportional to 30,687,526.14, 42,348,185.81 and 16,748,981.18 is: 23,113,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687,526.14 : 42,348,185.81 = 16,748,981.18 : x
  2. Step 2: Convert to fraction form
    30,687,526.14/42,348,185.81 = 16,748,981.18/x
  3. Step 3: Cross multiply
    30,687,526.14x = 42,348,185.81 × 16,748,981.18
  4. Step 4: Simplify right side
    30,687,526.14x = 709,288,966,843,347.25
  5. Step 5: Solve for x
    x = 709,288,966,843,347.25/30,687,526.14
  6. Step 6: Final answer
    x = 23,113,266.40

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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.