Finding the Fourth Proportional to 42,029,411.84, 63,038,899.68 and 11,326,391.84
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Solution
The fourth proportional to 42,029,411.84, 63,038,899.68 and 11,326,391.84 is: 16,988,181.55
Step by Step Solution
- Step 1: Write the proportion equation
42,029,411.84 : 63,038,899.68 = 11,326,391.84 : x - Step 2: Convert to fraction form
42,029,411.84/63,038,899.68 = 11,326,391.84/x - Step 3: Cross multiply
42,029,411.84x = 63,038,899.68 × 11,326,391.84 - Step 4: Simplify right side
42,029,411.84x = 714,003,278,938,130.62 - Step 5: Solve for x
x = 714,003,278,938,130.62/42,029,411.84 - Step 6: Final answer
x = 16,988,181.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.