Finding the Fourth Proportional to 42,563,220.84, 63,853,798.05 and 13,807,111.14
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Solution
The fourth proportional to 42,563,220.84, 63,853,798.05 and 13,807,111.14 is: 20,713,575.45
Step by Step Solution
- Step 1: Write the proportion equation
42,563,220.84 : 63,853,798.05 = 13,807,111.14 : x - Step 2: Convert to fraction form
42,563,220.84/63,853,798.05 = 13,807,111.14/x - Step 3: Cross multiply
42,563,220.84x = 63,853,798.05 × 13,807,111.14 - Step 4: Simplify right side
42,563,220.84x = 881,636,486,387,465.25 - Step 5: Solve for x
x = 881,636,486,387,465.25/42,563,220.84 - Step 6: Final answer
x = 20,713,575.45
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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.