Finding the Fourth Proportional to 19,750,829.30, 27,670,056.70 and 19,750,829.30
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Solution
The fourth proportional to 19,750,829.30, 27,670,056.70 and 19,750,829.30 is: 27,670,056.70
Step by Step Solution
- Step 1: Write the proportion equation
19,750,829.30 : 27,670,056.70 = 19,750,829.30 : x - Step 2: Convert to fraction form
19,750,829.30/27,670,056.70 = 19,750,829.30/x - Step 3: Cross multiply
19,750,829.30x = 27,670,056.70 × 19,750,829.30 - Step 4: Simplify right side
19,750,829.30x = 546,506,566,603,021.31 - Step 5: Solve for x
x = 546,506,566,603,021.31/19,750,829.30 - Step 6: Final answer
x = 27,670,056.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.