Finding the Fourth Proportional to 39,243,656.19, 58,866,009.09 and 12,317,312.19
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Solution
The fourth proportional to 39,243,656.19, 58,866,009.09 and 12,317,312.19 is: 18,476,133.00
Step by Step Solution
- Step 1: Write the proportion equation
39,243,656.19 : 58,866,009.09 = 12,317,312.19 : x - Step 2: Convert to fraction form
39,243,656.19/58,866,009.09 = 12,317,312.19/x - Step 3: Cross multiply
39,243,656.19x = 58,866,009.09 × 12,317,312.19 - Step 4: Simplify right side
39,243,656.19x = 725,071,011,340,907.88 - Step 5: Solve for x
x = 725,071,011,340,907.88/39,243,656.19 - Step 6: Final answer
x = 18,476,133.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.