Finding the Fourth Proportional to 39,243,297.96, 58,874,368.86 and 12,316,953.96
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Solution
The fourth proportional to 39,243,297.96, 58,874,368.86 and 12,316,953.96 is: 18,478,388.12
Step by Step Solution
- Step 1: Write the proportion equation
39,243,297.96 : 58,874,368.86 = 12,316,953.96 : x - Step 2: Convert to fraction form
39,243,297.96/58,874,368.86 = 12,316,953.96/x - Step 3: Cross multiply
39,243,297.96x = 58,874,368.86 × 12,316,953.96 - Step 4: Simplify right side
39,243,297.96x = 725,152,890,672,677.75 - Step 5: Solve for x
x = 725,152,890,672,677.75/39,243,297.96 - Step 6: Final answer
x = 18,478,388.12
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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.