Finding the Fourth Proportional to 15,124,829.40, 22,698,303.30 and 10,074,461.40
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Solution
The fourth proportional to 15,124,829.40, 22,698,303.30 and 10,074,461.40 is: 15,119,058.50
Step by Step Solution
- Step 1: Write the proportion equation
15,124,829.40 : 22,698,303.30 = 10,074,461.40 : x - Step 2: Convert to fraction form
15,124,829.40/22,698,303.30 = 10,074,461.40/x - Step 3: Cross multiply
15,124,829.40x = 22,698,303.30 × 10,074,461.40 - Step 4: Simplify right side
15,124,829.40x = 228,673,180,441,342.62 - Step 5: Solve for x
x = 228,673,180,441,342.62/15,124,829.40 - Step 6: Final answer
x = 15,119,058.50
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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.