Finding the Fourth Proportional to 9,210,349.56, 12,713,784.12 and 6,925,148.40
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Solution
The fourth proportional to 9,210,349.56, 12,713,784.12 and 6,925,148.40 is: 9,559,337.70
Step by Step Solution
- Step 1: Write the proportion equation
9,210,349.56 : 12,713,784.12 = 6,925,148.40 : x - Step 2: Convert to fraction form
9,210,349.56/12,713,784.12 = 6,925,148.40/x - Step 3: Cross multiply
9,210,349.56x = 12,713,784.12 × 6,925,148.40 - Step 4: Simplify right side
9,210,349.56x = 88,044,841,756,563.41 - Step 5: Solve for x
x = 88,044,841,756,563.41/9,210,349.56 - Step 6: Final answer
x = 9,559,337.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.