Finding the Fourth Proportional to 39,175,507.80, 58,763,512.13 and 11,509,312.12
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Solution
The fourth proportional to 39,175,507.80, 58,763,512.13 and 11,509,312.12 is: 17,264,041.75
Step by Step Solution
- Step 1: Write the proportion equation
39,175,507.80 : 58,763,512.13 = 11,509,312.12 : x - Step 2: Convert to fraction form
39,175,507.80/58,763,512.13 = 11,509,312.12/x - Step 3: Cross multiply
39,175,507.80x = 58,763,512.13 × 11,509,312.12 - Step 4: Simplify right side
39,175,507.80x = 676,327,602,314,029.38 - Step 5: Solve for x
x = 676,327,602,314,029.38/39,175,507.80 - Step 6: Final answer
x = 17,264,041.75
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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.